1I52	Transferase	date	Feb 23, 2001
title	Crystal Structure Of 4-Diphosphocytidyl-2-C-Methylerythritol Synthase (Ygbp) Involved In Mevalonate Independent Isopreno Biosynthesis
authors	S.B.Richard, M.E.Bowman, W.Kwiatkowski, I.Kang, C.Chow, M.Lillo, D J.P.Noel
compound		source
Molecule: 4-Diphosphocytidyl-2-C-Methylerythritol Synthase Chain: A Ec: 2.7.7.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Ispd Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Phis8
symmetry	Space Group: C 1 2 1	R_factor 0.227 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 130.564 47.074 38.105 90.00 93.78 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	CA, CTP, MG	enzyme	Transferase E.C.2.7.7 BRENDA
related structures	by homologous chain: 1INJ
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of 4-diphosphocytidyl-2-C- methylerythritol synthetase involved in mevalonate- independent isoprenoid biosynthesis., Richard SB, Bowman ME, Kwiatkowski W, Kang I, Chow C, Lillo AM, Cane DE, Noel JP, Nat Struct Biol 2001 Jul;8(7):641-8. PMID:11427897

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1i52.pdb1.gz) 83 Kb LPC: Ligand-Protein Contacts for 1I52 CSU: Contacts of Structural Units for 1I52 Likely Quarternary Molecular Structure file(s) for 1I52 Structure Factors (390 Kb) Retrieve 1I52 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I52 from S2C, [Save to disk] Re-refined 1i52 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1I52 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 1I52

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1I52 from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1I52, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i52a_, 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: [1i52] [1i52_A] SWISS-PROT database: [Q46893] Domain organization of [ISPD_ECOLI] by SWISSPFAM

Other resources with information on 1I52

Community annotation for 1I52 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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