Structure of PDB 4r3k Chain A Binding Site BS01

Receptor Information
>4r3k Chain A (length=157) Species: 273057 (Saccharolobus solfataricus P2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DFTLRNARMDDIDQIIKINRLTLPENYPYYFFVEHLKEYGLAFFVAIVDN
SVVGYIMPRIEWGFSNIKQLPSLVRKGHVVSIAVLEEYRRKGIATTLLEA
SMKSMKNDYNAEEIYLEVRVSNYPAIALYEKLNFKKVKVLKGYYADGEDA
YLMARPL
Ligand information
Ligand IDCOA
InChIInChI=1S/C21H36N7O16P3S/c1-21(2,16(31)19(32)24-4-3-12(29)23-5-6-48)8-41-47(38,39)44-46(36,37)40-7-11-15(43-45(33,34)35)14(30)20(42-11)28-10-27-13-17(22)25-9-26-18(13)28/h9-11,14-16,20,30-31,48H,3-8H2,1-2H3,(H,23,29)(H,24,32)(H,36,37)(H,38,39)(H2,22,25,26)(H2,33,34,35)/t11-,14-,15-,16+,20-/m1/s1
InChIKeyRGJOEKWQDUBAIZ-IBOSZNHHSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)(COP(=O)(O)OP(=O)(O)OCC1C(C(C(O1)n2cnc3c2ncnc3N)O)OP(=O)(O)O)C(C(=O)NCCC(=O)NCCS)O
CACTVS 3.341CC(C)(CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]1O[C@H]([C@H](O)[C@@H]1O[P](O)(O)=O)n2cnc3c(N)ncnc23)[C@@H](O)C(=O)NCCC(=O)NCCS
OpenEye OEToolkits 1.5.0CC(C)(CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]1[C@H]([C@H]([C@@H](O1)n2cnc3c2ncnc3N)O)OP(=O)(O)O)[C@H](C(=O)NCCC(=O)NCCS)O
CACTVS 3.341CC(C)(CO[P](O)(=O)O[P](O)(=O)OC[CH]1O[CH]([CH](O)[CH]1O[P](O)(O)=O)n2cnc3c(N)ncnc23)[CH](O)C(=O)NCCC(=O)NCCS
ACDLabs 10.04O=C(NCCS)CCNC(=O)C(O)C(C)(C)COP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3OP(=O)(O)O
FormulaC21 H36 N7 O16 P3 S
NameCOENZYME A
ChEMBLCHEMBL1213327
DrugBankDB01992
ZINCZINC000008551087
PDB chain4r3k Chain A Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4r3k Structural Basis for Substrate-specific Acetylation of N alpha-acetyltransferase Ard1 from Sulfolobus solfataricus
Resolution2.133 Å
Binding residue
(original residue number in PDB)
L33 I92 A93 V94 R99 R100 G102 A104 T105 Y133 P134 L138 Y139
Binding residue
(residue number reindexed from 1)
L23 I82 A83 V84 R89 R90 G92 A94 T95 Y123 P124 L128 Y129
Annotation score3
Enzymatic activity
Enzyme Commision number 2.3.1.255: N-terminal amino-acid N(alpha)-acetyltransferase NatA.
2.3.1.258: N-terminal methionine N(alpha)-acetyltransferase NatE.
Gene Ontology
Molecular Function
GO:0004596 peptide alpha-N-acetyltransferase activity
GO:0008080 N-acetyltransferase activity
GO:0016746 acyltransferase activity
GO:0016747 acyltransferase activity, transferring groups other than amino-acyl groups
GO:0046872 metal ion binding
GO:0120518 peptide-methionine-alpha-N-acetyltransferase activity
Biological Process
GO:0006474 N-terminal protein amino acid acetylation
Cellular Component
GO:0005737 cytoplasm
GO:0031415 NatA complex

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4r3k, PDBe:4r3k, PDBj:4r3k
PDBsum4r3k
PubMed25728374
UniProtQ980R9|NAT_SACS2 N-alpha-acetyltransferase (Gene Name=ard1)

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