4THN	Hydrolase Hydrolase Inhibitor	date	Sep 18, 1998
title	The Crystal Structure Of Alpha-Thrombin-Hirunorm Iv Complex Novel Specificity Site Recognition Mode.
authors	A.Lombardi, G.De Simone, F.Nastri, S.Galdiero, R.Della Morte, N.S C.Pedone, M.Bolognesi, V.Pavone
compound		source
Molecule: Alpha-Thrombin Chain: L Ec: 3.4.21.5		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Seed Tissue: Plasma
Molecule: Alpha-Thrombin Chain: H Ec: 3.4.21.5		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Seed Tissue: Plasma
Molecule: Hirunorm Iv Chain: I Engineered: Yes
symmetry	Space Group: C 1 2 1	R_factor 0.173 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 72.300 72.700 73.600 90.00 100.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	AIB, ALC, CHG, DGL, NAG, NAL	enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1DM4, 1JWT
Gene Ontology	Chain Function Process Component H L
Primary reference	The crystal structure of alpha-thrombin-hirunorm IV complex reveals a novel specificity site recognition mode., Lombardi A, De Simone G, Nastri F, Galdiero S, Della Morte R, Staiano N, Pedone C, Bolognesi M, Pavone V, Protein Sci 1999 Jan;8(1):91-5. PMID:10210187

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (4thn.pdb1.gz) 53 Kb LPC: Ligand-Protein Contacts for 4THN CSU: Contacts of Structural Units for 4THN Likely Quarternary Molecular Structure file(s) for 4THN Retrieve 4THN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4THN from S2C, [Save to disk]

View 4THN 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 4THN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4THN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4thn.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: [4thn_L] [4thn_H] [4thn] [4thn_I] SWISS-PROT database: [P00734] Domain organization of [THRB_HUMAN] by SWISSPFAM Domain found in 4THN: [Tryp_SPc ] by SMART

Other resources with information on 4THN

Community annotation for 4THN at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 4THN from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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