Brian W. Matthews

Sequential reorganization of beta-sheet topology by insertion of a single strand (2006)

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

Insertions, duplications, and deletions of sequence segments are thought to be major evolutionary mechanisms that increase the structural and functional diversity of proteins. Alternative splicing,...

Structure of the angiogenesis inhibitor ovalicin bound to its noncognate target, human Type 1 methionine aminopeptidase (2006)

Addlagatta, Anthony, Matthews, Brian W.

Methionine aminopeptidases (MetAPs) remove the initiator methionine during protein biosynthesis. They exist in two isoforms, MetAP1 and MetAP2. The anti-angiogenic compound fumagillin binds tightly...

Guanidinium derivatives bind preferentially and trigger long-distance conformational changes in an engineered T4 lysozyme (2006)

Yousef, Mohammad S., Bischoff, Nicole, Dyer, Collin M., Baase, Walter A., Matthews, Brian W.

The binding of guanidinium ion has been shown to promote a large-scale translation of a tandemly duplicated helix in an engineered mutant of T4 lysozyme. The guanidinium ion acts as a surrogate for...

Sequential reorganization of beta-sheet topology by insertion of a single strand (2006)

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

Insertions, duplications, and deletions of sequence segments are thought to be major evolutionary mechanisms that increase the structural and functional diversity of proteins. Alternative splicing,...

Sequential reorganization of beta-sheet topology by insertion of a single strand (2006)

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

Insertions, duplications, and deletions of sequence segments are thought to be major evolutionary mechanisms that increase the structural and functional diversity of proteins. Alternative splicing,...

Structure of the angiogenesis inhibitor ovalicin bound to its noncognate target, human Type 1 methionine aminopeptidase (2006)

Addlagatta, Anthony, Matthews, Brian W.

Methionine aminopeptidases (MetAPs) remove the initiator methionine during protein biosynthesis. They exist in two isoforms, MetAP1 and MetAP2. The anti-angiogenic compound fumagillin binds tightly...

Crystal structure of the BstDEAD N-terminal domain: A novel DEAD protein from Bacillus stearothermophilus (2004)

CARMEL, ANDREW B., MATTHEWS, BRIAN W.

Most cellular processes requiring RNA structure rearrangement necessitate the action of Asp-Glu-Ala-Asp (DEAD) proteins. Members of the family, named originally for the conserved DEAD amino acid...

Alanine-scanning mutagenesis of the {beta}-sheet region of phage T4 lysozyme suggests that tertiary context has a dominant effect on {beta}-sheet formation (2004)

He, Molly M., Wood, Zachary A., Baase, Walter A., Xiao, Hong, Matthews, Brian W.

In general, &agr;-helical conformations in proteins depend in large part on the amino acid residues within the helix and their proximal interactions. For example, an alanine residue has a high...

Alanine-scanning mutagenesis of the {beta}-sheet region of phage T4 lysozyme suggests that tertiary context has a dominant effect on {beta}-sheet formation (2004)

He, Molly M., Wood, Zachary A., Baase, Walter A., Xiao, Hong, Matthews, Brian W.

In general, &agr;-helical conformations in proteins depend in large part on the amino acid residues within the helix and their proximal interactions. For example, an alanine residue has a high...

A test of proposed rules for helix capping: Implications for protein design (2002)

Sagermann, Martin, Mårtensson, Lars-Göran, Baase, Walter A., Matthews, Brian W.

α-helices within proteins are often terminated (capped) by distinctive configurations of the polypeptide chain. Two common arrangements are the Schellman motif and the alternative αL motif. Rose...

Structural and thermodynamic analysis of the binding of solvent at internal sites in T4 lysozyme (2001)

Xu, Jian, Baase, Walter A., Quillin, Michael L., Baldwin, Enoch P., Matthews, Brian W.

To investigate the structural and thermodynamic basis of the binding of solvent at internal sites within proteins a number of mutations were constructed in T4 lysozyme. Some of these were designed to...

A structural basis for processivity (2001)

Breyer, Wendy A., Matthews, Brian W.

The structures of a number of processive enzymes have been determined recently. These proteins remain attached to their polymeric substrates and may perform thousands of rounds of catalysis before...

Competing protein:protein interactions are proposed to control the biological switch of the E coli biotin repressor (2001)

Weaver, Larry H., Kwon, Keehwan, Beckett, Dorothy, Matthews, Brian W.

A model is suggested for the complex between the biotin repressor of Escherichia coli, BirA, and BCCP, the biotin carboxyl carrier protein to which BirA transfers biotin. The model is consistent with...

Use of a non-rigid region in T4 lysozyme to design an adaptable metal-binding site (2000)

Wray, Jonathan W., Baase, Walter A., Ostheimer, Gerard J., Zhang, Xue-jun, Matthews, Brian W.

It is not easy to find candidate sites within a given protein where the geometry of the polypeptide chain matches that of metal-binding sites in known protein structures. By choosing a location in T4...

Enhancement of protein stability by the combination of point mutations in T4 lysozyme is additive (1995)

Zhang, Xue-jun, Baase, Walter A., Shoichet, Brian K., Wilson, Keith P., Matthews, Brian W.

A number of mutations have been shown previously to stabilize T4 lysozyme. By combining up to seven such mutations in the same protein, the melting temperature was incrementally increased by up to...

Rapid crystallization of T4 lysozyme by intermolecular disulfide cross-linking (1994)

Heinz, Dirk W., Matthews, Brian W.

In an attempt to facilitate crystallization, engineered cysteines were used to promote formation of a ‘back–to–back’ dimer that occurs in different crystal forms of wild–type and mutant T4...

Use of site-directed mutagenesis to obtain isomorphous heavy-atom derivatives for protein crystallography: cysteine-containing mutants of phage T4 lysozyme (1987)

Dao-Pin, Sun, Alber, Tom, Bell, Jeffrey A., Weaver, Larry H., Matthews, Brian W.

Five different cysteine-containing mutants of the lysozyme from bacteriopbage T4 were used to explore the feasibility of using site-directed mutagenesis to generate isomorphous heavy-atom derivatives...

Structure of phage P22 gene 19 lysozyme inferred from its homology with phage T4 lysozyme. Implications for lysozyme evolution (1985)

Weaver, Larry H., Rennell, Dale, Poteete, Anthony R., Matthews, Brian W.

The amino acid sequence of the lysozyme from phage P22 is shown to be homologous (26% identity) with the lysozyme from bacteriophage T4. The sequence correspondence suggests that the structure of P22...

Structural basis of the conversion of T4 lysozyme into a transglycosidase by reengineering the active site

Kuroki, Ryota, Weaver, Larry H., Matthews, Brian W.

In contrast to hen egg-white lysozyme, which retains the β-configuration of the substrate in the product, T4 lysozyme (T4L) is an inverting glycosidase. The substitution Thr-26 → His, however,...

Thiol–disulfide exchange is involved in the catalytic mechanism of peptide methionine sulfoxide reductase

Lowther, W. Todd, Brot, Nathan, Weissbach, Herbert, Honek, John F., Matthews, Brian W.

Peptide methionine sulfoxide reductase (MsrA; EC 1.8.4.6) reverses the inactivation of many proteins due to the oxidation of critical methionine residues by reducing methionine sulfoxide, Met(O), to...

How Cro and λ-repressor distinguish between operators: The structural basis underlying a genetic switch

Albright, Ronald A., Matthews, Brian W.

Knowledge of the three-dimensional structures of the λ-Cro and λ-repressor proteins in complex with DNA has made it possible to evaluate how these proteins discriminate between different operators...

Structural, functional, and evolutionary relationships between λ-exonuclease and the type II restriction endonucleases

Kovall, Rhett A., Matthews, Brian W.

λ-exonuclease participates in DNA recombination and repair. It binds a free end of double-stranded DNA and degrades one strand in the 5′ to 3′ direction. The primary sequence does not appear to...

The anti-angiogenic agent fumagillin covalently modifies a conserved active-site histidine in the Escherichia coli methionine aminopeptidase

Lowther, W. Todd, McMillen, Debra A., Orville, Allen M., Matthews, Brian W.

Methionine aminopeptidase (MetAP) exists in two forms (type I and type II), both of which remove the N-terminal methionine from proteins. It previously has been shown that the type II enzyme is the...

Structural features of the γ subunit of the Escherichia coli F1 ATPase revealed by a 4.4-Å resolution map obtained by x-ray crystallography

Hausrath, Andrew C., Grüber, Gerhard, Matthews, Brian W., Capaldi, Roderick A.

The F1 part of the F1FO ATP synthase from Escherichia coli has been crystallized and its structure determined to 4.4-Å resolution by using molecular replacement based on the structure of the...

Solid-state synthesis and mechanical unfolding of polymers of T4 lysozyme

Yang, Guoliang, Cecconi, Ciro, Baase, Walter A., Vetter, Ingrid R., Breyer, Wendy A., Haack, Julie A., ...

Recent advances in single molecule manipulation methods offer a novel approach to investigating the protein folding problem. These studies usually are done on molecules that are naturally organized...

Structural characterization of an engineered tandem repeat contrasts the importance of context and sequence in protein folding

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

To test a different approach to understanding the relationship between the sequence of part of a protein and its conformation in the overall folded structure, the amino acid sequence corresponding to...

Corepressor-induced organization and assembly of the biotin repressor: A model for allosteric activation of a transcriptional regulator

Weaver, Larry H., Kwon, Keehwan, Beckett, Dorothy, Matthews, Brian W.

The Escherichia coli biotin repressor binds to the biotin operator to repress transcription of the biotin biosynthetic operon. In this work, a structure determined by x-ray crystallography of a...

Crystal structure of the regulatory subunit H of the V-type ATPase of Saccharomyces cerevisiae

Sagermann, Martin, Stevens, Tom H., Matthews, Brian W.

In contrast to the F-type ATPases, which use a proton gradient to generate ATP, the V-type enzymes use ATP to actively transport protons into organelles and extracellular compartments. We describe...

Long-distance conformational changes in a protein engineered by modulated sequence duplication

Sagermann, Martin, Gay, Leslie, Matthews, Brian W.

There are few, if any, known instances in which a biological signal is transmitted via a large conformational change through the body of a protein. We describe here a mutant of T4 lysozyme that was...

Structural basis for the attachment of a paramyxoviral polymerase to its template

Kingston, Richard L., Hamel, Damon J., Gay, Leslie S., Dahlquist, Frederick W., Matthews, Brian W.

The nucleocapsid of measles virus is the template for viral RNA synthesis and is generated through packaging of the genomic RNA by the nucleocapsid protein (N). The viral polymerase associates with...

Use of sequence duplication to engineer a ligand-triggered, long-distance molecular switch in T4 lysozyme

Yousef, Mohammad S., Baase, Walter A., Matthews, Brian W.

We have designed a molecular switch in a T4 lysozyme construct that controls a large-scale translation of a duplicated helix. As shown by crystal structures of the construct with the switch on and...

Crystal structure of the BstDEAD N-terminal domain: A novel DEAD protein from Bacillus stearothermophilus

CARMEL, ANDREW B., MATTHEWS, BRIAN W.

Most cellular processes requiring RNA structure rearrangement necessitate the action of Asp-Glu-Ala-Asp (DEAD) proteins. Members of the family, named originally for the conserved DEAD amino acid...

Cooperative water filling of a nonpolar protein cavity observed by high-pressure crystallography and simulation

Collins, Marcus D., Hummer, Gerhard, Quillin, Michael L., Matthews, Brian W., Gruner, Sol M.

Formation of a water-expelling nonpolar core is the paradigm of protein folding and stability. Although experiment largely confirms this picture, water buried in “hydrophobic” cavities is...

Structural basis of the conversion of T4 lysozyme into a transglycosidase by reengineering the active site

Kuroki, Ryota, Weaver, Larry H., Matthews, Brian W.

In contrast to hen egg-white lysozyme, which retains the β-configuration of the substrate in the product, T4 lysozyme (T4L) is an inverting glycosidase. The substitution Thr-26 → His, however,...

Thiol–disulfide exchange is involved in the catalytic mechanism of peptide methionine sulfoxide reductase

Lowther, W. Todd, Brot, Nathan, Weissbach, Herbert, Honek, John F., Matthews, Brian W.

Peptide methionine sulfoxide reductase (MsrA; EC 1.8.4.6) reverses the inactivation of many proteins due to the oxidation of critical methionine residues by reducing methionine sulfoxide, Met(O), to...

How Cro and λ-repressor distinguish between operators: The structural basis underlying a genetic switch

Albright, Ronald A., Matthews, Brian W.

Knowledge of the three-dimensional structures of the λ-Cro and λ-repressor proteins in complex with DNA has made it possible to evaluate how these proteins discriminate between different operators...

Structural, functional, and evolutionary relationships between λ-exonuclease and the type II restriction endonucleases

Kovall, Rhett A., Matthews, Brian W.

λ-exonuclease participates in DNA recombination and repair. It binds a free end of double-stranded DNA and degrades one strand in the 5′ to 3′ direction. The primary sequence does not appear to...

The anti-angiogenic agent fumagillin covalently modifies a conserved active-site histidine in the Escherichia coli methionine aminopeptidase

Lowther, W. Todd, McMillen, Debra A., Orville, Allen M., Matthews, Brian W.

Methionine aminopeptidase (MetAP) exists in two forms (type I and type II), both of which remove the N-terminal methionine from proteins. It previously has been shown that the type II enzyme is the...

Structural features of the γ subunit of the Escherichia coli F1 ATPase revealed by a 4.4-Å resolution map obtained by x-ray crystallography

Hausrath, Andrew C., Grüber, Gerhard, Matthews, Brian W., Capaldi, Roderick A.

The F1 part of the F1FO ATP synthase from Escherichia coli has been crystallized and its structure determined to 4.4-Å resolution by using molecular replacement based on the structure of the...

Solid-state synthesis and mechanical unfolding of polymers of T4 lysozyme

Yang, Guoliang, Cecconi, Ciro, Baase, Walter A., Vetter, Ingrid R., Breyer, Wendy A., Haack, Julie A., ...

Recent advances in single molecule manipulation methods offer a novel approach to investigating the protein folding problem. These studies usually are done on molecules that are naturally organized...

Structural characterization of an engineered tandem repeat contrasts the importance of context and sequence in protein folding

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

To test a different approach to understanding the relationship between the sequence of part of a protein and its conformation in the overall folded structure, the amino acid sequence corresponding to...

Corepressor-induced organization and assembly of the biotin repressor: A model for allosteric activation of a transcriptional regulator

Weaver, Larry H., Kwon, Keehwan, Beckett, Dorothy, Matthews, Brian W.

The Escherichia coli biotin repressor binds to the biotin operator to repress transcription of the biotin biosynthetic operon. In this work, a structure determined by x-ray crystallography of a...

Crystal structure of the regulatory subunit H of the V-type ATPase of Saccharomyces cerevisiae

Sagermann, Martin, Stevens, Tom H., Matthews, Brian W.

In contrast to the F-type ATPases, which use a proton gradient to generate ATP, the V-type enzymes use ATP to actively transport protons into organelles and extracellular compartments. We describe...

Long-distance conformational changes in a protein engineered by modulated sequence duplication

Sagermann, Martin, Gay, Leslie, Matthews, Brian W.

There are few, if any, known instances in which a biological signal is transmitted via a large conformational change through the body of a protein. We describe here a mutant of T4 lysozyme that was...

Structural basis for the attachment of a paramyxoviral polymerase to its template

Kingston, Richard L., Hamel, Damon J., Gay, Leslie S., Dahlquist, Frederick W., Matthews, Brian W.

The nucleocapsid of measles virus is the template for viral RNA synthesis and is generated through packaging of the genomic RNA by the nucleocapsid protein (N). The viral polymerase associates with...

Use of sequence duplication to engineer a ligand-triggered, long-distance molecular switch in T4 lysozyme

Yousef, Mohammad S., Baase, Walter A., Matthews, Brian W.

We have designed a molecular switch in a T4 lysozyme construct that controls a large-scale translation of a duplicated helix. As shown by crystal structures of the construct with the switch on and...

Cooperative water filling of a nonpolar protein cavity observed by high-pressure crystallography and simulation

Collins, Marcus D., Hummer, Gerhard, Quillin, Michael L., Matthews, Brian W., Gruner, Sol M.

Formation of a water-expelling nonpolar core is the paradigm of protein folding and stability. Although experiment largely confirms this picture, water buried in “hydrophobic” cavities is...

Crystal structure of the BstDEAD N-terminal domain: A novel DEAD protein from Bacillus stearothermophilus

CARMEL, ANDREW B., MATTHEWS, BRIAN W.

Most cellular processes requiring RNA structure rearrangement necessitate the action of Asp-Glu-Ala-Asp (DEAD) proteins. Members of the family, named originally for the conserved DEAD amino acid...

Structure of aminopeptidase N from Escherichia coli suggests a compartmentalized, gated active site

Addlagatta, Anthony, Gay, Leslie, Matthews, Brian W.

Aminopeptidase N from Escherichia coli is a major metalloprotease that participates in the controlled hydrolysis of peptides in the proteolytic pathway. Determination of the 870-aa structure reveals...

Elucidation of the function of type 1 human methionine aminopeptidase during cell cycle progression

Hu, Xiaoyi, Addlagatta, Anthony, Lu, Jun, Matthews, Brian W., Liu, Jun O.

Processing of the N-terminal initiator methionine is an essential cellular process conserved from prokaryotes to eukaryotes. The enzymes that remove N-terminal methionine are known as methionine...

Determination of solvent content in cavities in IL-1β using experimentally phased electron density

Quillin, Michael L., Wingfield, Paul T., Matthews, Brian W.

The extent to which water is present within apolar cavities in proteins remains unclear. In the case of interleukin-1β (IL-1β), four independent structures solved by x-ray crystallography indicate...

Guanidinium derivatives bind preferentially and trigger long-distance conformational changes in an engineered T4 lysozyme

Yousef, Mohammad S., Bischoff, Nicole, Dyer, Collin M., Baase, Walter A., Matthews, Brian W.

The binding of guanidinium ion has been shown to promote a large-scale translation of a tandemly duplicated helix in an engineered mutant of T4 lysozyme. The guanidinium ion acts as a surrogate for...

Sequential reorganization of β-sheet topology by insertion of a single strand

Sagermann, Martin, Baase, Walter A., Matthews, Brian W.

Insertions, duplications, and deletions of sequence segments are thought to be major evolutionary mechanisms that increase the structural and functional diversity of proteins. Alternative splicing,...

Structure of the angiogenesis inhibitor ovalicin bound to its noncognate target, human Type 1 methionine aminopeptidase

Addlagatta, Anthony, Matthews, Brian W.

Methionine aminopeptidases (MetAPs) remove the initiator methionine during protein biosynthesis. They exist in two isoforms, MetAP1 and MetAP2. The anti-angiogenic compound fumagillin binds tightly...

Alanine-scanning mutagenesis of the β-sheet region of phage T4 lysozyme suggests that tertiary context has a dominant effect on β-sheet formation

He, Molly M., Wood, Zachary A., Baase, Walter A., Xiao, Hong, Matthews, Brian W.

In general, α-helical conformations in proteins depend in large part on the amino acid residues within the helix and their proximal interactions. For example, an alanine residue has a high...

A structural basis for processivity

Breyer, Wendy A., Matthews, Brian W.

The structures of a number of processive enzymes have been determined recently. These proteins remain attached to their polymeric substrates and may perform thousands of rounds of catalysis before...

A test of proposed rules for helix capping: Implications for protein design

Sagermann, Martin, Mårtensson, Lars-Göran, Baase, Walter A., Matthews, Brian W.

α-helices within proteins are often terminated (capped) by distinctive configurations of the polypeptide chain. Two common arrangements are the Schellman motif and the alternative αL motif. Rose...

Competing protein:protein interactions are proposed to control the biological switch of the E coli biotin repressor

Weaver, Larry H., Kwon, Keehwan, Beckett, Dorothy, Matthews, Brian W.

A model is suggested for the complex between the biotin repressor of Escherichia coli, BirA, and BCCP, the biotin carboxyl carrier protein to which BirA transfers biotin. The model is consistent with...

Structural and thermodynamic analysis of the binding of solvent at internal sites in T4 lysozyme

Xu, Jian, Baase, Walter A., Quillin, Michael L., Baldwin, Enoch P., Matthews, Brian W.

To investigate the structural and thermodynamic basis of the binding of solvent at internal sites within proteins a number of mutations were constructed in T4 lysozyme. Some of these were designed to...

Use of experimental crystallographic phases to examine the hydration of polar and nonpolar cavities in T4 lysozyme

Liu, Lijun, Quillin, Michael L., Matthews, Brian W.

There is conflicting evidence as to whether cavities in proteins that are nonpolar and large enough to accommodate solvent are empty or are occupied by disordered water molecules. Here, we use...