1IKG	Hydrolase	date	May 03, 2001
title	Michaelis Complex Of Streptomyces R61 Dd-Peptidase With A Sp Peptidoglycan Substrate Fragment
authors	M.A.Mcdonough, J.W.Anderson, N.R.Silvaggi, R.F.Pratt, J.R.Knox, J
compound		source
Molecule: D-Alanyl-D-Alanine Carboxypeptidase Chain: A Synonym: Dd-Peptidase Ec: 3.4.16.4		Organism_scientific: Streptomyces Sp. Organism_taxid: 31952 Strain: R61
symmetry	Space Group: P 21 21 21	R_factor 0.150 R_Free 0.184
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.873 66.828 100.129 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	REX	enzyme	Hydrolase E.C.3.4.16.4 BRENDA
related structures	by homologous chain: 1CEF, 1CEG
Gene Ontology	Chain Function Process Component A
Primary reference	Structures of two kinetic intermediates reveal species specificity of penicillin-binding proteins., McDonough MA, Anderson JW, Silvaggi NR, Pratt RF, Knox JR, Kelly JA, J Mol Biol 2002 Sep 6;322(1):111-22. PMID:12215418

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (1ikg.pdb1.gz) 60 Kb LPC: Ligand-Protein Contacts for 1IKG CSU: Contacts of Structural Units for 1IKG Likely Quarternary Molecular Structure file(s) for 1IKG Retrieve 1IKG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IKG from S2C, [Save to disk]

View 1IKG 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 1IKG

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IKG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ikga_, 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: [1ikg] [1ikg_A] SWISS-PROT database: [P15555] Domain organization of [DAC_STRSR] by SWISSPFAM

Other resources with information on 1IKG

Community annotation for 1IKG at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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