1PJQ	Transferase Oxidoreductase Lyase	date	Jun 03, 2003
title	Structure And Function Of Cysg, The Multifunctional Methyltransferasedehydrogenaseferrochelatase For Siroheme
authors	M.E.Stroupe, H.K.Leech, D.S.Daniels, M.J.Warren, E.D.Getzoff
compound		source
Molecule: Siroheme Synthase Chain: A, B Synonym: Cysg Ec: 2.1.1.107, 1.-.-.-, 4.99.1.- Engineered: Yes Other_details: Residues 1-212 (Cysgb) Are A Dehydrogenaseferrochelatase, Residues 213-457 (Cysga) Are Bismethyltransferase		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Gene: Cysg Or Stm3477 Expression_system: Salmonella Enterica Expression_system_taxid: 28901 Expression_system_strain: Sa2853 Expression_system_vector_type: Pbr522 Expression_system_plasmid: Pjyw632-C483gsirhp
symmetry	Space Group: P 21 21 21	R_factor 0.235 R_Free 0.273
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.734 121.493 130.790 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.21 Å
ligand	ACT, PGE, SAH, SEP	enzyme	Transferase E.C.2.1.1.107 BRENDA
related structures	by homologous chain: 1PJS
Gene Ontology	Chain Function Process Component A, B
Primary reference	CysG structure reveals tetrapyrrole-binding features and novel regulation of siroheme biosynthesis., Stroupe ME, Leech HK, Daniels DS, Warren MJ, Getzoff ED, Nat Struct Biol 2003 Dec;10(12):1064-73. Epub 2003 Nov 2. PMID:14595395

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (159 Kb) [Save to disk] Biological Unit Coordinates (1pjq.pdb1.gz) 153 Kb LPC: Ligand-Protein Contacts for 1PJQ CSU: Contacts of Structural Units for 1PJQ Likely Quarternary Molecular Structure file(s) for 1PJQ Structure Factors (461 Kb) Retrieve 1PJQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PJQ from S2C, [Save to disk] Re-refined 1pjq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PJQ 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 1PJQ

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 1PJQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pjqa1, region A:1-113 [Jmol] [rasmolscript] [script source]     - Domain d1pjqa3, region A:114-215 [Jmol] [rasmolscript] [script source]     - Domain d1pjqa2, region A:216-457 [Jmol] [rasmolscript] [script source]     - Domain d1pjqb1, region B:1-113 [Jmol] [rasmolscript] [script source]     - Domain d1pjqb3, region B:114-215 [Jmol] [rasmolscript] [script source]     - Domain d1pjqb2, region B:216-457 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1pjq] [1pjq_B] [1pjq_A] SWISS-PROT database: [P25924] Domain organization of [CYSG_SALTY] by SWISSPFAM

Other resources with information on 1PJQ

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

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