4MAT	Hydrolase	date	Mar 29, 1999
title	E.Coli Methionine Aminopeptidase His79ala Mutant
authors	W.T.Lowther, A.M.Orville, D.T.Madden, S.Lim, D.H.Rich, B.W.Matthe
compound		source
Molecule: Protein (Methionine Aminopeptidase) Chain: A Ec: 3.4.11.18 Engineered: Yes Mutation: Yes Other_details: Site-Directed Mutant		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Bl21(De3) Expression_system_plasmid: Pet28b
symmetry	Space Group: P 1 21 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.648 68.298 55.449 90.00 105.98 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	NA	enzyme	Hydrolase E.C.3.4.11.18 BRENDA
related structures	by homologous chain: 1MAT, 3MAT
Gene Ontology	Chain Function Process Component A
Primary reference	Escherichia coli methionine aminopeptidase: implications of crystallographic analyses of the native, mutant, and inhibited enzymes for the mechanism of catalysis., Lowther WT, Orville AM, Madden DT, Lim S, Rich DH, Matthews BW, Biochemistry 1999 Jun 15;38(24):7678-88. PMID:10387007

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (4mat.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 4MAT CSU: Contacts of Structural Units for 4MAT Likely Quarternary Molecular Structure file(s) for 4MAT Structure Factors (128 Kb) Retrieve 4MAT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4MAT from S2C, [Save to disk] Re-refined 4mat structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4MAT in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 4MAT

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4MAT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4mata_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4mat] [4mat_A] SWISS-PROT database: [P0AE18] Domain organization of [AMPM_ECOLI] by SWISSPFAM

Other resources with information on 4MAT

Community annotation for 4MAT at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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