1G9K	Hydrolase	date	Nov 24, 2000
title	Crystal Structure Of A Psychrophilic Alkaline Protease From Pseudomonas Tac II 18
authors	N.Aghajari, R.Haser
compound		source
Molecule: Serralysin Chain: A Synonym: Calcium And Zinc Dependent Alkaline Protease Ec: 3.4.24.40		Organism_scientific: Pseudomonas Organism_taxid: 286 Strain: Tac II 18
symmetry	Space Group: H 3	R_factor 0.156 R_Free 0.187
crystal cell	length a length b length c angle alpha angle beta angle gamma 186.010 186.010 37.970 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.96 Å
ligand	CA, SO4, ZN	enzyme	Hydrolase E.C.3.4.24.40 BRENDA
related structures	by homologous chain: 1JIW, 1OM8
Gene Ontology	Chain Function Process Component A
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] (83 Kb) [Save to disk] Biological Unit Coordinates (1g9k.pdb1.gz) 78 Kb Biological Unit Coordinates (1g9k.pdb2.gz) 227 Kb LPC: Ligand-Protein Contacts for 1G9K CSU: Contacts of Structural Units for 1G9K Likely Quarternary Molecular Structure file(s) for 1G9K Structure Factors (225 Kb) Retrieve 1G9K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1G9K from S2C, [Save to disk] Re-refined 1g9k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1G9K 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 1G9K

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 1G9K, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1g9ka1, region A:245-463 [Jmol] [rasmolscript] [script source]     - Domain d1g9ka2, region A: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: [1g9k] [1g9k_A] SWISS-PROT database: [O69771] Domain organization of [O69771_9PSED] by SWISSPFAM Domain found in 1G9K: [ZnMc ] by SMART

Other resources with information on 1G9K

Community annotation for 1G9K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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