Structure of PDB 4rmg Chain A Binding Site BS03

Receptor Information

>4rmg Chain A (length=297) Species: 9606 (Homo sapiens)

HMERLLDELTLEGVARYMQSERCRRVICLVGAGISTSAGIPDFRSPLYDN
LEKYHLPYPEAIFEISYFKKHPEPFFALAKELYPGQFKPTICHYFMRLLK
DKGLLLRCYTQNIDTLERIAGLEQEDLVEAHGTFYTSHCVSASCRHEYPL
SWMKEKIFSEVTPKCEDCQSLVKPDIVFFGESLPARFFSCMQSDFLKVDL
LLVMGTSLQVQPFASLISKAPLSTPRLLINKEKAGQSDGMIMGLGGGMDF
DSKKAYRDVAWLGECDQGCLALAELLGWKKELEDLVRREHASIDAQS

Ligand information

• Ligand ID: NAD
• InChI: InChI=1S/C21H27N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1-4,7-8,10-11,13-16,20-21,29-32H,5-6H2,(H5-,22,23,24,25,33,34,35,36,37)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
• InChIKey: BAWFJGJZGIEFAR-NNYOXOHSSA-N
• SMILES:
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
• Formula: C21 H27 N7 O14 P2
• Name: NICOTINAMIDE-ADENINE-DINUCLEOTIDE
• ChEMBL: CHEMBL1234613
• DrugBank: DB14128
• PDB chain: 4rmg Chain A Residue 403

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4rmg Selective Sirt2 inhibition by ligand-induced rearrangement of the active site.
• Resolution: 1.88 Å
• Binding residue (original residue number in PDB): G84 A85 G86 T89 P94 D95 F96 Q167 N168 I169 D170 H187 G261 T262 S263 N286 K287 E288 E323 C324
• Binding residue (residue number reindexed from 1): G31 A32 G33 T36 P41 D42 F43 Q111 N112 I113 D114 H131 G205 T206 S207 N230 K231 E232 E264 C265
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): P94 D95 F96 R97 N168 D170 H187
• Catalytic site (residue number reindexed from 1): P41 D42 F43 R44 N112 D114 H131
• Enzyme Commision number: 2.3.1.-
  2.3.1.286: protein acetyllysine N-acetyltransferase.

Gene Ontology

Molecular Function

• GO:0017136 NAD-dependent histone deacetylase activity
• GO:0051287 NAD binding
• GO:0070403 NAD+ binding

External links

• PDB: RCSB:4rmg, PDBe:4rmg, PDBj:4rmg
• PDBsum: 4rmg
• PubMed: 25672491
• UniProt: Q8IXJ6|SIR2_HUMAN NAD-dependent protein deacetylase sirtuin-2 (Gene Name=SIRT2)