1KAR	Oxidoreductase	date	Nov 02, 2001
title	L-Histidinol Dehydrogenase (Hisd) Structure Complexed With H (Inhibitor), Zinc And Nad (Cofactor)
authors	J.A.R.G.Barbosa, J.Sivaraman, Y.Li, R.Larocque, A.Matte, J.D.Schr M.Cygler
compound		source
Molecule: Histidinol Dehydrogenase Chain: A, B Synonym: Hdh Ec: 1.1.1.23 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Hisd Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dl41 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 21 21 21	R_factor 0.248 R_Free 0.281
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.340 109.040 157.940 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	HSM, MSE, ZN	enzyme	Oxidoreductase E.C.1.1.1.23 BRENDA
related structures	by homologous chain: 1K75, 1KAH
Gene Ontology	Chain Function Process Component A, B
Primary reference	Mechanism of action and NAD+-binding mode revealed by the crystal structure of L-histidinol dehydrogenase., Barbosa JA, Sivaraman J, Li Y, Larocque R, Matte A, Schrag JD, Cygler M, Proc Natl Acad Sci U S A 2002 Feb 19;99(4):1859-64. PMID:11842181

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (134 Kb) [Save to disk] Biological Unit Coordinates (1kar.pdb1.gz) 128 Kb LPC: Ligand-Protein Contacts for 1KAR CSU: Contacts of Structural Units for 1KAR Likely Quarternary Molecular Structure file(s) for 1KAR Retrieve 1KAR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KAR from S2C, [Save to disk]

View 1KAR 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 1KAR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KAR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kara_, region A [Jmol] [rasmolscript] [script source]     - Domain d1karb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1kar_B] [1kar] [1kar_A] SWISS-PROT database: [P06988] Domain organization of [HISX_ECOLI] by SWISSPFAM

Other resources with information on 1KAR

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

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