1H72	Transferase	date	Jul 02, 2001
title	Crystal Structure Of Homoserine Kinase Complexed With Hse
authors	S.S.Krishna, T.Zhou, M.Daugherty, A.L.Osterman, H.Zhang
compound		source
Molecule: Homoserine Kinase Chain: C Synonym: Hk Ec: 2.7.1.39 Engineered: Yes		Organism_scientific: Methanococcus Jannaschii Organism_taxid: 2190 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 43 21 2	R_factor 0.177 R_Free 0.207
crystal cell	length a length b length c angle alpha angle beta angle gamma 87.990 87.990 99.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	ANP, HSE, TRS	enzyme	Transferase E.C.2.7.1.39 BRENDA
note	1H72 is a representative structure
related structures	by homologous chain: 1H74
Gene Ontology	Chain Function Process Component C
Primary reference	Structural basis for the catalysis and substrate specificity of homoserine kinase., Krishna SS, Zhou T, Daugherty M, Osterman A, Zhang H, Biochemistry 2001 Sep 11;40(36):10810-8. PMID:11535056

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1h72.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 1H72 CSU: Contacts of Structural Units for 1H72 Likely Quarternary Molecular Structure file(s) for 1H72 Structure Factors (269 Kb) Retrieve 1H72 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H72 from S2C, [Save to disk] Re-refined 1h72 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H72 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 1H72

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1H72, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h72c2, region C:168-300 [Jmol] [rasmolscript] [script source]     - Domain d1h72c1, region C:5-167 [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: [1h72_C] [1h72] SWISS-PROT database: [Q58504] Domain organization of [KHSE_METJA] by SWISSPFAM

Other resources with information on 1H72

Community annotation for 1H72 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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