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PDXK Protein Crystal(CBCRY19)

Product Summary
Name PDXK Protein Crystal Download Datasheet
Background
Background Pyridoxal kinase, a member of the ribokinase superfamily, catalyzes the ATP-dependent phosphorylation reaction of vitamin B6 and is an essential enzyme in the formation of pyridoxal-5'-phosphate, a key cofactor for over 100 enzymes. Pyridoxal kinase is thus regarded as a potential target for pharmacological agents. Structure comparison reveals that the key 12-residue peptide over the active site in HPLK is a beta-strand/loop/beta-strand flap, while the corresponding peptide in sheep brain enzyme adopts a loop conformation. Moreover, HPLK possesses a more hydrophobic ATP-binding pocket.
Molecular Description
Protein ClassificationTransferase
Structure Weight74135.20 Da
Polymer1
MoleculePyridoxal kinase
Chain Length327 amino acids
Crystal Description
PDB ID2F7K
SourceE.coli
MethodX-Ray Diffraction
Resolution2.8Å
Gene Information
Gene NamePDXK
SynonymsC21orf124; C21orf97; EC 2.7.1.35; DKFZp566A071; FLJ31940; FLJ37311; FLJ21324; MGC15873; MGC31754; MGC52346; PKH; PNK; PRED79; pyridoxal kinase; pyridoxamine kinase; pyridoxine kinase; vitamin B6 kinase; chromosome 21 open reading reame 124; chromosome 21 open reading frame 97
UniProt IDO00764
Gene ID8566
Chromosome Location21q22.3
FunctionATP binding; lithium ion binding; magnesium ion binding; nucleotide binding; potassium ion binding; protein homodimerization activity; pyridoxal kinase activity; sodium ion binding; transferase activity; zinc ion binding
Reference
Reference Cao, P., Gong, Y., Tang, L., Leung, Y.C., Jiang, T. (2006) Crystal structure of human pyridoxal kinase J.Struct.Biol. 154: 327-332

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