1X2T	Protein Binding	date	Apr 26, 2005
title	Crystal Structure Of Habu Ix-Bp At Ph 6.5
authors	N.Suzuki, Z.Fujimoto, T.Morita, A.Fukamizu, H.Mizuno
compound		source
Molecule: Coagulation Factor Ixx-Binding Protein A Chain Chain: A, C		Organism_scientific: Trimeresurus Flavoviridis Organism_taxid: 88087 Secretion: Venom
Molecule: Coagulation Factor Ixfactor X-Binding Protein B Chain: B, D Synonym: Ixx-Bp		Organism_scientific: Trimeresurus Flavoviridis Organism_taxid: 88087 Secretion: Venom
symmetry	Space Group: P 1 21 1	R_factor 0.191 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.710 63.509 66.902 90.00 117.00 90.00
method	X-Ray Diffraction	resolution	1.72 Å
ligand	1PE, CA	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B toxin activity
Primary reference	pH-Dependent Structural Changes at Ca(2+)-binding Sites of Coagulation Factor IX-binding Protein., Suzuki N, Fujimoto Z, Morita T, Fukamizu A, Mizuno H, J Mol Biol 2005 Oct 14;353(1):80-7. PMID:16165155

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1x2t.pdb1.gz) 48 Kb Biological Unit Coordinates (1x2t.pdb2.gz) 48 Kb LPC: Ligand-Protein Contacts for 1X2T CSU: Contacts of Structural Units for 1X2T Likely Quarternary Molecular Structure file(s) for 1X2T Structure Factors (388 Kb) Retrieve 1X2T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1X2T from S2C, [Save to disk] Re-refined 1x2t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1X2T 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 1X2T

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 1X2T, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1x2t] [1x2t_B] [1x2t_D] [1x2t_A] [1x2t_C] SWISS-PROT database: [Q7LZ71] [P23807] Domain organization of [IXA_TRIFL] [IXXB_TRIFL] by SWISSPFAM Domain found in 1X2T: [CLECT ] by SMART

Other resources with information on 1X2T

Community annotation for 1X2T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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