1SFR	Transferase	date	Feb 20, 2004
title	Crystal Structure Of The Mycobacterium Tuberculosis Antigen Protein
authors	D.R.Ronning, V.Vissa, G.S.Besra, J.T.Belisle, J.C.Sacchettini, Tb Structural Genomics Consortium (Tbsgc)
compound		source
Molecule: Antigen 85-A Chain: A, B, C Ec: 2.3.1.- Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis Organism_taxid: 1773 Gene: Fbpa Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30b
symmetry	Space Group: C 2 2 21	R_factor 0.222 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 131.430 288.662 101.289 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand		enzyme	Transferase E.C.2.3.1 BRENDA
related structures	by homologous chain: 1VA5
Primary reference	Mycobacterium tuberculosis antigen 85A and 85C structures confirm binding orientation and conserved substrate specificity., Ronning DR, Vissa V, Besra GS, Belisle JT, Sacchettini JC, J Biol Chem 2004 Aug 27;279(35):36771-7. Epub 2004 Jun 10. PMID:15192106

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (134 Kb) [Save to disk] Biological Unit Coordinates (1sfr.pdb1.gz) 45 Kb Biological Unit Coordinates (1sfr.pdb2.gz) 45 Kb Biological Unit Coordinates (1sfr.pdb3.gz) 43 Kb Biological Unit Coordinates (1sfr.pdb4.gz) 88 Kb Biological Unit Coordinates (1sfr.pdb5.gz) 84 Kb CSU: Contacts of Structural Units for 1SFR Likely Quarternary Molecular Structure file(s) for 1SFR Structure Factors (422 Kb) Retrieve 1SFR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SFR from S2C, [Save to disk] Re-refined 1sfr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SFR 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 1SFR

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 1SFR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sfra_, region A [Jmol] [rasmolscript] [script source]     - Domain d1sfrb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1sfrc_, region C [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: [1sfr] [1sfr_B] [1sfr_C] [1sfr_A] SWISS-PROT database: [P0A4V2] Domain organization of [A85A_MYCTU] by SWISSPFAM

Other resources with information on 1SFR

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

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