1HKI	Hydrolase	date	Mar 10, 2003
title	Crystal Structure Of Human Chitinase In Complex With Glucoal B
authors	F.V.Rao, D.R.Houston, R.G.Boot, J.M.F.G.Aerts, S.Sakuda, D.M.F.Va
compound		source
Molecule: Chitotriosidase Chain: A Synonym: Endochitinase Ec: 3.2.1.14 Other_details: Glucoallosamidin B		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Macrophage
symmetry	Space Group: P 43 21 2	R_factor 0.223 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.142 94.142 88.425 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	ALI, NA1, NAG	enzyme	Hydrolase E.C.3.2.1.14 BRENDA
related structures	by homologous chain: 1HKJ, 1HKM
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of allosamidin derivatives in complex with human macrophage chitinase., Rao FV, Houston DR, Boot RG, Aerts JM, Sakuda S, van Aalten DM, J Biol Chem 2003 May 30;278(22):20110-6. Epub 2003 Mar 14. PMID:12639956

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk] Biological Unit Coordinates (1hki.pdb1.gz) 61 Kb LPC: Ligand-Protein Contacts for 1HKI CSU: Contacts of Structural Units for 1HKI Likely Quarternary Molecular Structure file(s) for 1HKI Structure Factors (96 Kb) Retrieve 1HKI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HKI from S2C, [Save to disk] Re-refined 1hki structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HKI 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 1HKI

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 1HKI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hkia1, region A:22-266,A:335-386 [Jmol] [rasmolscript] [script source]     - Domain d1hkia2, region A:267-334 [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: [1hki_A] [1hki] SWISS-PROT database: [Q13231] Domain organization of [CHIT1_HUMAN] by SWISSPFAM Domain found in 1HKI: [Glyco_18 ] by SMART

Other resources with information on 1HKI

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

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