1H71	Hydrolase	date	Jul 02, 2001
title	Psychrophilic Protease From Pseudoalteromonas 'Tac II 18'
authors	V.Villeret, F.Van Petegem, N.Aghajari, J.P.Chessa, C.Gerday, R.H J.Van Beeumen
compound		source
Molecule: Serralysin Chain: P Fragment: Residues 18-480 Synonym: Alkaline Protease Ec: 3.4.24.40		Organism_scientific: Pseudomonas Sp. Tac II 18 Organism_taxid: 76981
symmetry	Space Group: P 21 21 21	R_factor 0.164 R_Free 0.221
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.000 57.550 161.810 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	CA, ZN	enzyme	Hydrolase E.C.3.4.24.40 BRENDA
related structures	by homologous chain: 1AKL, 1O0Q
Gene Ontology	Chain Function Process Component P
Primary reference	Crystal structures of a psychrophilic metalloprotease reveal new insights into catalysis by cold-adapted proteases., Aghajari N, Van Petegem F, Villeret V, Chessa JP, Gerday C, Haser R, Van Beeumen J, Proteins 2003 Mar 1;50(4):636-47. PMID:12577270

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (1h71.pdb1.gz) 74 Kb LPC: Ligand-Protein Contacts for 1H71 CSU: Contacts of Structural Units for 1H71 Likely Quarternary Molecular Structure file(s) for 1H71 Structure Factors (218 Kb) Retrieve 1H71 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H71 from S2C, [Save to disk] Re-refined 1h71 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H71 in 3D

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Visual 3D analysis of 1H71

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 1H71, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h71p1, region P:245-463 [Jmol] [rasmolscript] [script source]     - Domain d1h71p2, region P:3-244 [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: [1h71_P] [1h71] SWISS-PROT database: [O69771] Domain organization of [O69771_9PSED] by SWISSPFAM Domain found in 1H71: [ZnMc ] by SMART

Other resources with information on 1H71

Community annotation for 1H71 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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