3B8U	Isomerase	date	Nov 02, 2007
title	Crystal Structure Of Escherichia Coli Alaine Racemase Mutant
authors	D.Wu, T.Hu, L.Zhang, H.Jiang, X.Shen
compound		source
Molecule: Alanine Racemase Chain: A, B, C, D Ec: 5.1.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: Jm109 Gene: Alr Expression_system: Escherichia Coli Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: P 6	R_factor 0.215 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 147.952 147.952 163.438 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	KCX, PLP, SO4	enzyme	Isomerase E.C.5.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Residues Asp164 and Glu165 at the substrate entryway function potently in substrate orientation of alanine racemase from E. coli: Enzymatic characterization with crystal structure analysis., Wu D, Hu T, Zhang L, Chen J, Du J, Ding J, Jiang H, Shen X, Protein Sci. 2008 Jun;17(6):1066-76. Epub 2008 Apr 23. PMID:18434499

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (230 Kb) [Save to disk] Biological Unit Coordinates (3b8u.pdb1.gz) 115 Kb Biological Unit Coordinates (3b8u.pdb2.gz) 111 Kb LPC: Ligand-Protein Contacts for 3B8U CSU: Contacts of Structural Units for 3B8U Likely Quarternary Molecular Structure file(s) for 3B8U Structure Factors (360 Kb) Retrieve 3B8U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B8U from S2C, [Save to disk] Re-refined 3b8u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B8U 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 3B8U

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3B8U, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b8u_B] [3b8u_D] [3b8u] [3b8u_C] [3b8u_A] SWISS-PROT database: [P0A6B4] Domain organization of [ALR1_ECOLI] by SWISSPFAM Domain found in 3B8U: [Ala_racemase_C ] by SMART

Other resources with information on 3B8U

Community annotation for 3B8U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---