1MKW	Complex (Blood Coagulation Proenzyme)	date	Mar 13, 1997
title	The Co-Crystal Structure Of Unliganded Bovine Alpha- Thrombin And Prethrombin-2: Movement Of The Yppw Segment And Active Site Residues Upon Ligand Binding
authors	M.G.Malkowski, B.F.P.Edwards
compound		source
Molecule: Alpha-Thrombin Chain: L Ec: 3.4.21.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Alpha-Thrombin Chain: H Ec: 3.4.21.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Prethrombin-2 Chain: K Ec: 3.4.21.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
symmetry	Space Group: P 21 21 2	R_factor 0.190 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 87.580 88.550 101.030 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand		enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1BHX, 1BTH
Gene Ontology	Chain Function Process Component H K L
Primary reference	The co-crystal structure of unliganded bovine alpha-thrombin and prethrombin-2: movement of the Tyr-Pro-Pro-Trp segment and active site residues upon ligand binding., Malkowski MG, Martin PD, Guzik JC, Edwards BF, Protein Sci 1997 Jul;6(7):1438-48. PMID:9232645

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk] Biological Unit Coordinates (1mkw.pdb1.gz) 51 Kb Biological Unit Coordinates (1mkw.pdb2.gz) 51 Kb CSU: Contacts of Structural Units for 1MKW Likely Quarternary Molecular Structure file(s) for 1MKW Structure Factors (607 Kb) Retrieve 1MKW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MKW from S2C, [Save to disk] Re-refined 1mkw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MKW 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 1MKW

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MKW, from MSDmotif at EBI Genome occurence of 1MKW's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mkwk_, region K [Jmol] [rasmolscript] [script source]     - Domain d1mkw.1, region L:,H [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: [1mkw_H] [1mkw] [1mkw_K] [1mkw_L] SWISS-PROT database: [P00735] Domain organization of [THRB_BOVIN] by SWISSPFAM Domain found in 1MKW: [Tryp_SPc ] by SMART

Other resources with information on 1MKW

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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