1PJT	Transferase Oxidoreductase Lyase	date	Jun 03, 2003
title	The Structure Of The Ser128ala Point-Mutant Variant Of Cysg, Multifunctional Methyltransferasedehydrogenaseferrochelat Siroheme Synthesis
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 Mutation: 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: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Lmg194 Expression_system_vector_type: Pbr522 Expression_system_plasmid: S128a-Pbad-His-Myc
symmetry	Space Group: P 21 21 21	R_factor 0.226 R_Free 0.291
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.539 120.319 130.036 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	PO4, SAH	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] (149 Kb) [Save to disk] Biological Unit Coordinates (1pjt.pdb1.gz) 143 Kb LPC: Ligand-Protein Contacts for 1PJT CSU: Contacts of Structural Units for 1PJT Likely Quarternary Molecular Structure file(s) for 1PJT Structure Factors (210 Kb) Retrieve 1PJT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PJT from S2C, [Save to disk] Re-refined 1pjt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PJT 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 1PJT

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 1PJT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pjta1, region A:1-113 [Jmol] [rasmolscript] [script source]     - Domain d1pjta3, region A:114-215 [Jmol] [rasmolscript] [script source]     - Domain d1pjta2, region A:216-457 [Jmol] [rasmolscript] [script source]     - Domain d1pjtb1, region B:1-113 [Jmol] [rasmolscript] [script source]     - Domain d1pjtb3, region B:114-215 [Jmol] [rasmolscript] [script source]     - Domain d1pjtb2, region B:216-457 [Jmol] [rasmolscript] [script source]

Sequence-derived information

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

Other resources with information on 1PJT

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

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