1SG8	Hydrolase	date	Feb 23, 2004
title	Crystal Structure Of The Procoagulant Fast Form Of Thrombin
authors	A.O.Pineda, C.J.Carrell, L.A.Bush, S.Prasad, S.Caccia, Z.W.Chen, F.S.Mathews, E.Di Cera
compound		source
Molecule: Thrombin Chain: A, D Fragment: Thrombin Light Chain (A) Synonym: Coagulation Factor II Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: F2 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_vector_type: Plasmid Expression_system_plasmid: Hpc4-Pnut
Molecule: Thrombin Chain: B, E Fragment: Thrombin Heavy Chain (B) Synonym: Coagulation Factor II Ec: 3.4.21.5 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: F2 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_vector_type: Plasmid Expression_system_plasmid: Hpc4-Pnut
symmetry	Space Group: P 21 21 21	R_factor 0.219 R_Free 0.289
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.490 65.580 162.440 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	NA, NAG	enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1LHD, 1OOK
Gene Ontology	Chain Function Process Component A, D E, B
Primary reference	Molecular dissection of Na+ binding to thrombin., Pineda AO, Carrell CJ, Bush LA, Prasad S, Caccia S, Chen ZW, Mathews FS, Di Cera E, J Biol Chem 2004 May 19;. PMID:15152000

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (104 Kb) [Save to disk] Biological Unit Coordinates (1sg8.pdb1.gz) 51 Kb Biological Unit Coordinates (1sg8.pdb2.gz) 49 Kb Biological Unit Coordinates (1sg8.pdb3.gz) 97 Kb LPC: Ligand-Protein Contacts for 1SG8 CSU: Contacts of Structural Units for 1SG8 Likely Quarternary Molecular Structure file(s) for 1SG8 Structure Factors (302 Kb) Retrieve 1SG8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SG8 from S2C, [Save to disk] Re-refined 1sg8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SG8 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 1SG8

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 1SG8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sg8.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d1sg8.2, region D:,E [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: [1sg8_B] [1sg8_D] [1sg8_A] [1sg8] [1sg8_E] SWISS-PROT database: [P00734] Domain organization of [THRB_HUMAN] by SWISSPFAM Domain found in 1SG8: [Tryp_SPc ] by SMART

Other resources with information on 1SG8

Community annotation for 1SG8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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