Structure of PDB 1i0z Chain A

Receptor sequence
>1i0zA (length=332) Species: 9606 (Homo sapiens) [Search protein sequence]
ATLKEKLIAPVAEEEATVPNNKITVVGVGQVGMACAISILGKSLADELAL
VDVLEDKLKGEMMDLQHGSLFLQTPKIVADKDYSVTANSKIVVVTAGVRQ
QEGESRLNLVQRNVNVFKFIIPQIVKYSPDCIIIVVSNPVDILTYVTWKL
SGLPKHRVIGSGCNLDSARFRYLMAEKLGIHPSSCHGWILGEHGDSSVAV
WSGVNVAGVSLQELNPEMGTDNDSENWKEVHKMVVESAYEVIKLKGYTNW
AIGLSVADLIESMLKNLSRIHPVSTMVKGMYGIENEVFLSLPCILNARGL
TSVINQKLKDDEVAQLKKSADTLWDIQKDLKD
3D structure
PDB1i0z Structural basis for altered activity of M- and H-isozyme forms of human lactate dehydrogenase.
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R106 D166 R169 H193 S196
Catalytic site (residue number reindexed from 1) R106 D166 R169 H193 S196
Enzyme Commision number 1.1.1.27: L-lactate dehydrogenase.
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 NAI A G29 Q30 V31 D52 V53 L54 T95 A96 G97 V98 R99 V136 N138 H193 I252 G29 Q30 V31 D52 V53 L54 T95 A96 G97 V98 R99 V136 N138 H193 I252
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004457 lactate dehydrogenase activity
GO:0004459 L-lactate dehydrogenase activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0019900 kinase binding
GO:0042802 identical protein binding
GO:0051287 NAD binding
Biological Process
GO:0006089 lactate metabolic process
GO:0006090 pyruvate metabolic process
GO:0019674 NAD metabolic process
GO:0019752 carboxylic acid metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0005829 cytosol
GO:0016020 membrane
GO:0045121 membrane raft
GO:0070062 extracellular exosome
GO:1990204 oxidoreductase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1i0z, PDBe:1i0z, PDBj:1i0z
PDBsum1i0z
PubMed11276087
UniProtP07195|LDHB_HUMAN L-lactate dehydrogenase B chain (Gene Name=LDHB)

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