1R30	Transferase	date	Sep 30, 2003
title	The Crystal Structure Of Biotin Synthase, An S-Adenosylmethi Dependent Radical Enzyme
authors	F.Berkovitch, Y.Nicolet, J.T.Wan, J.T.Jarrett, C.L.Drennan
compound		source
Molecule: Biotin Synthase Chain: A, B Synonym: Biotin Synthetase Ec: 2.8.1.6 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Biob Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21d(+)
symmetry	Space Group: P 31 2 1	R_factor 0.256 R_Free 0.300
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.690 155.690 90.880 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.40 Å
ligand	DTB, FES, SAM, SF4, TRS	enzyme	Transferase E.C.2.8.1.6 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of biotin synthase, an S-adenosylmethionine-dependent radical enzyme., Berkovitch F, Nicolet Y, Wan JT, Jarrett JT, Drennan CL, Science 2004 Jan 2;303(5654):76-9. PMID:14704425

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1r30.pdb1.gz) 93 Kb LPC: Ligand-Protein Contacts for 1R30 CSU: Contacts of Structural Units for 1R30 Likely Quarternary Molecular Structure file(s) for 1R30 Structure Factors (163 Kb) Retrieve 1R30 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R30 from S2C, [Save to disk] Re-refined 1r30 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1R30 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 1R30

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 1R30, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1r30a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1r30b_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1r30_B] [1r30] [1r30_A] SWISS-PROT database: [P12996] Domain organization of [BIOB_ECOLI] by SWISSPFAM Domains found in 1R30: [BATS] [Elp3 ] by SMART

Other resources with information on 1R30

Community annotation for 1R30 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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