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Structure of PDB 1cqi Chain D Binding Site BS02

Receptor Information

>1cqi Chain D (length=286) Species: 562 (Escherichia coli)

SILIDKNTKVICQGFTGSQGTFHSEQAIAYGTKMVGGVTPGKGGTTHLGL
PVFNTVREAVAATGATASVIYVPAPFCKDSILEAIDAGIKLIITITEGIP
TLDMLTVKVKLDEAGVRMIGPNCPGVITPGECKIGIQPGHIHKPGKVGIV
SRSGTLTYEAVKQTTDYGFGQSTCVGIGGDPIPGSNFIDILEMFEKDPQT
EAIVMIGEIGGSAEEEAAAYIKEHVTKPVVGYIAGVTAPKGKRMGHAGAI
IAGGKGTADEKFAALEAAGVKTVRSLADIGEALKTV

Ligand information

• Ligand ID: COA
• InChI: InChI=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
• InChIKey: RGJOEKWQDUBAIZ-IBOSZNHHSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: CC(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 3.341: CC(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 1.5.0: CC(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 3.341: CC(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 10.04: O=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
• Formula: C21 H36 N7 O16 P3 S
• Name: COENZYME A
• ChEMBL: CHEMBL1213327
• DrugBank: DB01992
• ZINC: ZINC000008551087
• PDB chain: 1cqi Chain D Residue 702

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1cqi ADP-binding site of Escherichia coli succinyl-CoA synthetase revealed by x-ray crystallography.
• Resolution: 3.3 Å
• Binding residue (original residue number in PDB): T16 S18 Q19 Y71 V72 P73 T96 C123 I136
• Binding residue (residue number reindexed from 1): T16 S18 Q19 Y71 V72 P73 T96 C123 I136
• Annotation score: 3

Enzymatic activity

• Catalytic site (original residue number in PDB): E208 H246
• Catalytic site (residue number reindexed from 1): E208 H246
• Enzyme Commision number: 6.2.1.5: succinate--CoA ligase (ADP-forming).

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0003824 catalytic activity
• GO:0004775 succinate-CoA ligase (ADP-forming) activity
• GO:0004776 succinate-CoA ligase (GDP-forming) activity
• GO:0005515 protein binding
• GO:0016874 ligase activity

Biological Process

• GO:0006099 tricarboxylic acid cycle

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0009361 succinate-CoA ligase complex (ADP-forming)

External links

• PDB: RCSB:1cqi, PDBe:1cqi, PDBj:1cqi
• PDBsum: 1cqi
• PubMed: 10625475
• UniProt: P0AGE9|SUCD_ECOLI Succinate--CoA ligase [ADP-forming] subunit alpha (Gene Name=sucD)

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