1KSF	Hydrolase, Ligand Binding Protein	date	Jan 12, 2002
title	Crystal Structure Of Clpa, An Hsp100 Chaperone And Regulator Protease: Structural Basis Of Differences In Function Of Th Atpase Domains
authors	F.Guo, M.R.Maurizi, L.Esser, D.Xia
compound		source
Molecule: Atp-Dependent Clp Protease Atp-Binding Subunit Cl Chain: X Synonym: Endopeptidase Clp Atp-Binding; Atp-Binding Compone Serine Protease; Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 65	R_factor 0.216 R_Free 0.304
crystal cell	length a length b length c angle alpha angle beta angle gamma 124.107 124.107 97.042 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	ADP, IPA, MET, MG, PGE	enzyme
related structures	by homologous chain: 1LZW
Gene Ontology	Chain Function Process Component X ATP-dependent peptidase acti...
Primary reference	Crystal structure of ClpA, an Hsp100 chaperone and regulator of ClpAP protease., Guo F, Maurizi MR, Esser L, Xia D, J Biol Chem 2002 Nov 29;277(48):46743-52. PMID:12205096

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (1ksf.pdb1.gz) 118 Kb LPC: Ligand-Protein Contacts for 1KSF CSU: Contacts of Structural Units for 1KSF Likely Quarternary Molecular Structure file(s) for 1KSF Retrieve 1KSF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KSF from S2C, [Save to disk]

View 1KSF 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 1KSF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KSF, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ksfx1, region X:1-142 [Jmol] [rasmolscript] [script source]     - Domain d1ksfx2, region X:168-436 [Jmol] [rasmolscript] [script source]     - Domain d1ksfx3, region X:437-755 [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: [1ksf_X] [1ksf] SWISS-PROT database: [P0ABH9] Domain organization of [CLPA_ECOLI] by SWISSPFAM Domains found in 1KSF: [AAA] [ClpB_D2-small ] by SMART

Other resources with information on 1KSF

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

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