Structure of PDB 1r37 Chain B

Receptor sequence

>1r37B (length=347) Species: 2287 (Saccharolobus solfataricus)

MRAVRLVEIGKPLSLQEIGVPKPKGPQVLIKVEAAGVCHSDVHMRQGRFG
NLRIVEDLGVKLPVTLGHEIAGKIEEVGDEVVGYSKGDLVAVNPWQGEGN
CYYCRIGEEHLCDSPRWLGINFDGAYAEYVIVPHYKYMYKLRRLNAVEAA
PLTCSGITTYRAVRKASLDPTKTLLVVGAGGGLGTMAVQIAKAVSGATII
GVDVREEAVEAAKRAGADYVINASMQDPLAEIRRITESKGVDAVIDLNNS
EKTLSVYPKALAKQGKYVMVGLFGADLHYHAPLITLSEIQFVGSLVGNQS
DFLGIMRLAEAGKVKPMITKTMKLEEANEAIDNLENFKAIGRQVLIP

3D structure

• PDB: 1r37 Crystal structure of a ternary complex of the alcohol dehydrogenase from Sulfolobus solfataricus
• Chain: B
• Resolution: 2.3 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): C38 H39 S40 H43 H68 E69 E98 C101 C104 C112 R116 C154 T158 R342
• Catalytic site (residue number reindexed from 1): C38 H39 S40 H43 H68 E69 E98 C101 C104 C112 R116 C154 T158 R342
• Enzyme Commision number: 1.1.1.1: alcohol 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	ZN	B	C38 H68 C154	C38 H68 C154
BS02	ZN	B	E98 C101 C104 C112	E98 C101 C104 C112
BS03	NAD	B	C38 H39 S40 H43 C154 T158 G178 G181 G182 L183 D203 V204 R205 L247 N248 V270 G271 L272 F273 L295 V296 L334 F337	C38 H39 S40 H43 C154 T158 G178 G181 G182 L183 D203 V204 R205 L247 N248 V270 G271 L272 F273 L295 V296 L334 F337	MOAD: Kd=0.66uM
BS04	ETX	B	S40 F49 H68	S40 F49 H68

Gene Ontology

Molecular Function

• GO:0004022 alcohol dehydrogenase (NAD+) activity
• GO:0008270 zinc ion binding
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding

External links

• PDB: RCSB:1r37, PDBe:1r37, PDBj:1r37
• PDBsum: 1r37
• PubMed: 14661950
• UniProt: P39462|ADH_SACS2 NAD-dependent alcohol dehydrogenase (Gene Name=adh)