1T6B	Membrane Protein Toxin	date	May 05, 2004
title	Crystal Structure Of B. Anthracis Protective Antigen Complex Human Anthrax Toxin Receptor
authors	E.Santelli, L.A.Bankston, S.H.Leppla, R.C.Liddington
compound		source
Molecule: Protective Antigen Chain: X Engineered: Yes		Organism_scientific: Bacillus Anthracis Organism_taxid: 1392 Expression_system: Bacillus Anthracis Expression_system_taxid: 1392 Expression_system_strain: Bh445 Expression_system_vector_type: Plasmid
Molecule: Anthrax Toxin Receptor 2 Chain: Y Fragment: Ai Domain Synonym: Capillary Morphogenesis Protein-2; Cmg-2 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Antxr2,Cmg2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 21 21 21	R_factor 0.207 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.160 94.118 135.597 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	CA, MN, NA, PG4	enzyme
related structures	by homologous chain: 1ACC, 1SHT
Gene Ontology	Chain Function Process Component X Y
Primary reference	Crystal structure of a complex between anthrax toxin and its host cell receptor., Santelli E, Bankston LA, Leppla SH, Liddington RC, Nature 2004 Aug 19;430(7002):905-8. Epub 2004 Jul 4. PMID:15243628

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk] Biological Unit Coordinates (1t6b.pdb1.gz) 139 Kb LPC: Ligand-Protein Contacts for 1T6B CSU: Contacts of Structural Units for 1T6B Likely Quarternary Molecular Structure file(s) for 1T6B Structure Factors (323 Kb) Retrieve 1T6B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T6B from S2C, [Save to disk] Re-refined 1t6b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1T6B 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 1T6B

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Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1T6B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1t6bx_, region X [Jmol] [rasmolscript] [script source]     - Domain d1t6by_, region Y [Jmol] [rasmolscript] [script source] Fold representative 1t6b from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1t6b_X] [1t6b] [1t6b_Y] SWISS-PROT database: [P58335] [P13423] Belongs to the channel-forming bacillus anthracis protective antigen (bapa) family according to TCDB. Domain organization of [ANTR2_HUMAN] [PAG_BACAN] by SWISSPFAM Domains found in 1T6B: [PA14] [VWA ] by SMART

Other resources with information on 1T6B

Community annotation for 1T6B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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