1KY9	Hydrolase	date	Feb 04, 2002
title	Crystal Structure Of Degp (Htra)
authors	T.Krojer, M.Garrido-Franco, R.Huber, M.Ehrmann, T.Clausen
compound		source
Molecule: Protease Do Chain: A, B Synonym: Degp, Htra Ec: 3.4.21.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Degp Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 63 2 2	R_factor 0.218 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 121.374 121.374 233.667 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	MSE	enzyme	Hydrolase E.C.3.4.21 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of DegP (HtrA) reveals a new protease-chaperone machine., Krojer T, Garrido-Franco M, Huber R, Ehrmann M, Clausen T, Nature 2002 Mar 28;416(6879):455-9. PMID:11919638

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk] Biological Unit Coordinates (1ky9.pdb1.gz) 281 Kb Biological Unit Coordinates (1ky9.pdb2.gz) 357 Kb LPC: Ligand-Protein Contacts for 1KY9 CSU: Contacts of Structural Units for 1KY9 Likely Quarternary Molecular Structure file(s) for 1KY9 Structure Factors (361 Kb) Retrieve 1KY9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KY9 from S2C, [Save to disk] Re-refined 1ky9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KY9 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 1KY9

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 1KY9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ky9a2, region A:11-259 [Jmol] [rasmolscript] [script source]     - Domain d1ky9a1, region A:260-353 [Jmol] [rasmolscript] [script source]     - Domain d1ky9b3, region B:11-259 [Jmol] [rasmolscript] [script source]     - Domain d1ky9b1, region B:260-358 [Jmol] [rasmolscript] [script source]     - Domain d1ky9b2, region B:359-446 [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: [1ky9] [1ky9_B] [1ky9_A] SWISS-PROT database: [P0C0V0] Domain organization of [DEGP_ECOLI] by SWISSPFAM Domain found in 1KY9: [PDZ ] by SMART

Other resources with information on 1KY9

Community annotation for 1KY9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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