1AKM	Transferase	date	May 23, 1997
title	Ornithine Transcarbamylase From Escherichia Coli
authors	J.F.Head, B.Seaton, L.Jin
compound		source
Molecule: Ornithine Transcarbamylase Chain: A, B, C Synonym: Ornithine Carbamoyltransferase, Ornithine Transcar Ec: 2.1.3.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Argi Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tb2 Expression_system_variant: Delta Argi-Pyrb, Argf- Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc18 Expression_system_gene: Argi
symmetry	Space Group: P 32	R_factor 0.229 R_Free 0.302
crystal cell	length a length b length c angle alpha angle beta angle gamma 104.600 104.600 86.700 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand		enzyme	Transferase E.C.2.1.3.3 BRENDA
related structures	by homologous chain: 2OTC
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Crystal structure at 2.8 A resolution of anabolic ornithine transcarbamylase from Escherichia coli., Jin L, Seaton BA, Head JF, Nat Struct Biol 1997 Aug;4(8):622-5. PMID:9253409

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk] Biological Unit Coordinates (1akm.pdb1.gz) 137 Kb CSU: Contacts of Structural Units for 1AKM Likely Quarternary Molecular Structure file(s) for 1AKM Structure Factors (146 Kb) Retrieve 1AKM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AKM from S2C, [Save to disk] Re-refined 1akm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AKM 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 1AKM

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 1AKM, from MSDmotif at EBI Genome occurence of 1AKM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1akma1, region A:1-150 [Jmol] [rasmolscript] [script source]     - Domain d1akma2, region A:151-333 [Jmol] [rasmolscript] [script source]     - Domain d1akmb1, region B:1-150 [Jmol] [rasmolscript] [script source]     - Domain d1akmb2, region B:151-333 [Jmol] [rasmolscript] [script source]     - Domain d1akmc1, region C:1-150 [Jmol] [rasmolscript] [script source]     - Domain d1akmc2, region C:151-333 [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: [1akm] [1akm_C] [1akm_A] [1akm_B] SWISS-PROT database: [P04391] Domain organization of [OTC1_ECOLI] by SWISSPFAM

Other resources with information on 1AKM

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

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