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1CSH

A very short hydrogen bond provides only moderate stabilization of an enzyme: inhibitor complex of citrate synthase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004108molecular_functioncitrate (Si)-synthase activity
A0005739cellular_componentmitochondrion
A0005759cellular_componentmitochondrial matrix
A0005975biological_processcarbohydrate metabolic process
A0006099biological_processtricarboxylic acid cycle
A0006101biological_processcitrate metabolic process
A0016740molecular_functiontransferase activity
A0036440molecular_functioncitrate synthase activity
A0046912molecular_functionacyltransferase activity, acyl groups converted into alkyl on transfer
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE OAA A 702
ChainResidue
AHIS238
AASN242
AHIS274
AHIS320
AARG329
AARG401
AARG421
AHOH584
AHOH586
AAMX700

site_idAC2
Number of Residues25
DetailsBINDING SITE FOR RESIDUE AMX A 700
ChainResidue
AARG46
AARG164
ALEU273
AHIS274
AALA277
ALEU309
AVAL314
AVAL315
AGLY317
ATYR318
AGLY319
AHIS320
AALA321
ALYS366
AALA367
ALYS368
AASN373
AASP375
APHE397
AHOH539
AHOH547
AHOH585
AHOH603
AHOH623
AOAA702

site_idAMX
Number of Residues8
Details
ChainResidue
AARG46
AHIS274
AVAL315
AGLY317
ATYR318
ALYS366
ALYS368
AASP375

site_idOAA
Number of Residues4
Details
ChainResidue
AHIS320
AARG329
AARG401
AHIS238

Functional Information from PROSITE/UniProt
site_idPS00480
Number of Residues13
DetailsCITRATE_SYNTHASE Citrate synthase signature. GYGHaVl.RktDPR
ChainResidueDetails
AGLY317-ARG329

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsACT_SITE:
ChainResidueDetails
ATHR247
AGLY293
ALYS348

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 78
ChainResidueDetails
ALEU217electrostatic stabiliser, hydrogen bond donor
ATHR247electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
AGLY293electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
AARG302electrostatic stabiliser
ALYS348hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2024-04-24

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