Structure of PDB 1tpw Chain A

Receptor sequence

>1tpwA (length=245) Species: 9031 (Gallus gallus)

RKFFVGGNWKMNGDKKSLGELIHTLNGAKLSADTEVVCGAPSIYLDFARQ
KLDAKIGVAAQNCYKVPKGAFTGEISPAMIKDIGAAWVILGHPERRHVFG
ESDELIGQKVAHALAEGLGVIACIGEKLDEREAGITEKVVFEQTKAIADN
VKDWSKVVLAYEPVWAIGTGKTATPQQAQEVHEKLRGWLKTHVSDAVAQS
TRIIYGGSVTGGNCKELASQHDVDGFLVGGASLKPEFVDIINAKH

3D structure

• PDB: 1tpw The role of water in the catalytic efficiency of triosephosphate isomerase.
• Chain: A
• Resolution: 1.9 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): N11 K13 H95 E97 E165 G171 S211
• Catalytic site (residue number reindexed from 1): N8 K10 H92 E94 E162 G168 S208
• Enzyme Commision number: 4.2.3.3: methylglyoxal synthase.
  5.3.1.1: triose-phosphate isomerase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	PGH	A	K13 H95 E165 I170 G171 G210 S211 L230 G232	K10 H92 E162 I167 G168 G207 S208 L227 G229	MOAD: Ki=0.5mM PDBbind-CN: -logKd/Ki=3.30,Ki=0.5mM

Gene Ontology

Molecular Function

• GO:0004807 triose-phosphate isomerase activity
• GO:0008929 methylglyoxal synthase activity
• GO:0016829 lyase activity
• GO:0016853 isomerase activity
• GO:0031625 ubiquitin protein ligase binding
• GO:0042803 protein homodimerization activity

Biological Process

• GO:0006006 glucose metabolic process
• GO:0006094 gluconeogenesis
• GO:0006096 glycolytic process
• GO:0019242 methylglyoxal biosynthetic process
• GO:0019563 glycerol catabolic process
• GO:0019682 glyceraldehyde-3-phosphate metabolic process
• GO:0046166 glyceraldehyde-3-phosphate biosynthetic process
• GO:0061621 canonical glycolysis

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol

External links

• PDB: RCSB:1tpw, PDBe:1tpw, PDBj:1tpw
• PDBsum: 1tpw
• PubMed: 10194358
• UniProt: P00940|TPIS_CHICK Triosephosphate isomerase (Gene Name=TPI1)