1CKE	Transferase	date	Sep 24, 1998
title	Cmp Kinase From Escherichia Coli Free Enzyme Structure
authors	P.Briozzo, B.Golinelli-Pimpaneau
compound		source
Molecule: Protein (Cytidine Monophosphate Kinase) Chain: A Synonym: Ck, Mssa Ec: 2.7.4.14 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 63	R_factor 0.205 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 82.721 82.721 61.077 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	SO4	enzyme	Transferase E.C.2.7.4.14 BRENDA
related structures	by homologous chain: 1KDO
Gene Ontology	Chain Function Process Component A cytidylate kinase activity
Primary reference	Structures of escherichia coli CMP kinase alone and in complex with CDP: a new fold of the nucleoside monophosphate binding domain and insights into cytosine nucleotide specificity., Briozzo P, Golinelli-Pimpaneau B, Gilles AM, Gaucher JF, Burlacu-Miron S, Sakamoto H, Janin J, Barzu O, Structure 1998 Dec 15;6(12):1517-27. PMID:9862805

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (1cke.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1CKE CSU: Contacts of Structural Units for 1CKE Likely Quarternary Molecular Structure file(s) for 1CKE Retrieve 1CKE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CKE from S2C, [Save to disk]

View 1CKE 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 1CKE

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CKE, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ckea_, 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: [1cke] [1cke_A] SWISS-PROT database: [P0A6I0] Domain organization of [KCY_ECOLI] by SWISSPFAM

Other resources with information on 1CKE

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

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