1HHQ	Transferase	date	Dec 26, 2000
title	Role Of Active Site Resiude Lys16 In Nucleoside Diphosphate
authors	B.Schneider, M.Babolat, Y.W.Xu, J.Janin, M.Veron, D.Deville-Bonne
compound		source
Molecule: Nucleoside Diphosphate Kinase Chain: A Ec: 2.7.4.6 Engineered: Yes Mutation: Yes Other_details: Ammounium Sulfate		Organism_scientific: Dictyostelium Discoideum Organism_taxid: 44689 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 63 2 2	R_factor 0.177 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 72.150 72.150 107.000 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	SO4	enzyme	Transferase E.C.2.7.4.6 BRENDA
related structures	by homologous chain: 1NSP, 1UCN
Gene Ontology	Chain Function Process Component A
Primary reference	Mechanism of phosphoryl transfer by nucleoside diphosphate kinase pH dependence and role of the active site Lys16 and Tyr56 residues., Schneider B, Babolat M, Xu YW, Janin J, Veron M, Deville-Bonne D, Eur J Biochem 2001 Apr;268(7):1964-71. PMID:11277918

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (30 Kb) [Save to disk] Biological Unit Coordinates (1hhq.pdb1.gz) 152 Kb LPC: Ligand-Protein Contacts for 1HHQ CSU: Contacts of Structural Units for 1HHQ Likely Quarternary Molecular Structure file(s) for 1HHQ Structure Factors (83 Kb) Retrieve 1HHQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HHQ from S2C, [Save to disk] Re-refined 1hhq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HHQ 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 1HHQ

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 1HHQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hhqa_, region A [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: [1hhq] [1hhq_A] SWISS-PROT database: [P22887] Domain organization of [NDKC_DICDI] by SWISSPFAM Domain found in 1HHQ: [NDK ] by SMART

Other resources with information on 1HHQ

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

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