1XKB	Blood Coagulation Factor	date	Mar 19, 1998
title	Factor Xa Complexed With A Synthetic Inhibitor Fx-2212a,(2s) Amidino-3-Biphenylyl)-5-(4-Pyridylamino)Pentanoic Acid
authors	K.Kamata, S.H.Kim
compound		source
Molecule: Blood Coagulation Factor Xa Chain: A, B Fragment: Proteolytic Cleavage Product, Gla Domain Synonym: Stuart Factor Ec: 3.4.21.6		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood
Molecule: Blood Coagulation Factor Xa Chain: C, D Fragment: Proteolytic Cleavage Product, Gla Domain Synonym: Stuart Factor Ec: 3.4.21.6		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood
symmetry	Space Group: P 1 21 1	R_factor 0.206 R_Free 0.294
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.270 105.220 63.240 90.00 103.40 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	4PP, BHD, CA BindingDB	enzyme	Hydrolase E.C.3.4.21.6 BRENDA
related structures	by homologous chain: 1IQG, 1LPZ
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Structural basis for chemical inhibition of human blood coagulation factor Xa., Kamata K, Kawamoto H, Honma T, Iwama T, Kim SH, Proc Natl Acad Sci U S A 1998 Jun 9;95(12):6630-5. PMID:9618463

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (114 Kb) [Save to disk] Biological Unit Coordinates (1xkb.pdb1.gz) 56 Kb Biological Unit Coordinates (1xkb.pdb2.gz) 56 Kb Biological Unit Coordinates (1xkb.pdb3.gz) 109 Kb Biological Unit Coordinates (1xkb.pdb4.gz) 108 Kb LPC: Ligand-Protein Contacts for 1XKB CSU: Contacts of Structural Units for 1XKB Likely Quarternary Molecular Structure file(s) for 1XKB Retrieve 1XKB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XKB from S2C, [Save to disk]

View 1XKB 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 1XKB

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1XKB, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xkba1, region A:48-86 [Jmol] [rasmolscript] [script source]     - Domain d1xkba2, region A:87-138 [Jmol] [rasmolscript] [script source]     - Domain d1xkbb1, region B:50-86 [Jmol] [rasmolscript] [script source]     - Domain d1xkbb2, region B:87-139 [Jmol] [rasmolscript] [script source]     - Domain d1xkbc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1xkbd_, region D [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: [1xkb_A] [1xkb] [1xkb_D] [1xkb_C] [1xkb_B] SWISS-PROT database: [P00742] Domain organization of [FA10_HUMAN] by SWISSPFAM Domains found in 1XKB: [EGF_CA] [EGF_like] [Tryp_SPc ] by SMART

Other resources with information on 1XKB

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

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