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2II3

Crystal structure of a cubic core of the dihydrolipoamide acyltransferase (E2b) component in the branched-chain alpha-ketoacid dehydrogenase complex (BCKDC), Oxidized Coenzyme A-bound form

Functional Information from GO Data
ChainGOidnamespacecontents
A0016746molecular_functionacyltransferase activity
B0016746molecular_functionacyltransferase activity
C0016746molecular_functionacyltransferase activity
D0016746molecular_functionacyltransferase activity
E0016746molecular_functionacyltransferase activity
F0016746molecular_functionacyltransferase activity
G0016746molecular_functionacyltransferase activity
H0016746molecular_functionacyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT A 600
ChainResidue
APRO350
AVAL351
ALEU353
AILE359
ACAO500
AHOH895

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT B 600
ChainResidue
BLEU353
BILE359
BACT601
BHOH910
BMET206
BPRO350
BVAL351

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT B 601
ChainResidue
BASP288
BLEU293
BACT600
BHOH896
CHIS391
CASP395
CGLY396

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT B 602
ChainResidue
BLEU353
BPRO354
BGLU356
BHOH862

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT C 600
ChainResidue
CMET206
CALA286
CVAL351
CLEU353
CILE359
CACT601

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT C 601
ChainResidue
AHIS391
AASP395
AGLY396
CASP288
CLEU293
CACT600

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT D 600
ChainResidue
DPRO350
DVAL351
DLEU353
DILE359
DACT601
DHOH905

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT D 601
ChainResidue
DASP288
DLEU293
DACT600
EHIS391
EASP395
EGLY396
HACT602

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT D 602
ChainResidue
HALA286
HASP288
HSER338
HASN339
HCAO500
HACT601

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT E 600
ChainResidue
EVAL351
ELEU353
EILE359
ECAO500
EHOH897
FHIS391

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT F 600
ChainResidue
FPRO350
FVAL351
FLEU353
FILE359
FACT601
FHOH908

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT F 601
ChainResidue
DHIS391
DASP395
DGLY396
FASP288
FLEU293
FACT600

site_idBC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT G 600
ChainResidue
GMET206
GALA286
GVAL351
GLEU353
GILE359
GCAO500
GHOH867

site_idBC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT H 600
ChainResidue
HPRO350
HVAL351
HLEU353
HILE359
HACT601
HHOH900

site_idBC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT H 601
ChainResidue
DACT602
HASP288
HLEU293
HHIS391
HASP395
HGLY396
HACT600

site_idBC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT H 602
ChainResidue
HHOH907
DALA286
DSER338
DASN339
DCAO500
DACT601
DHOH830

site_idBC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL B 801
ChainResidue
BLYS349
CHOH847

site_idBC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 802
ChainResidue
ALYS349
BHOH853

site_idCC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL C 803
ChainResidue
AHOH822
CLYS349

site_idCC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL F 804
ChainResidue
DHOH849
FLYS349

site_idCC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL D 805
ChainResidue
DLYS349
EHOH837

site_idCC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL E 806
ChainResidue
ELYS349
FHOH864

site_idCC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL C 807
ChainResidue
AARG370
BARG370
BHOH912
CARG370

site_idCC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL F 808
ChainResidue
DARG370
EARG370
EHOH906
FARG370

site_idCC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL H 809
ChainResidue
HLYS349
HHOH863

site_idCC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL G 810
ChainResidue
GARG370
GARG370
GARG370

site_idCC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL G 811
ChainResidue
GLYS349
GHOH834

site_idDC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL H 812
ChainResidue
HARG370
HARG370
HARG370

site_idDC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ACT F 813
ChainResidue
FGLU225

site_idDC3
Number of Residues26
DetailsBINDING SITE FOR RESIDUE CAO A 500
ChainResidue
AARG230
ASER245
APHE246
AMET247
AILE285
AALA286
AMET287
AASP288
ALEU293
AGLN317
ASER338
AASN339
AGLY341
ASER342
AGLY363
ATHR364
AILE365
AACT600
AHOH817
AHOH828
AHOH847
AHOH890
AHOH895
BHIS391
BASP395
BGLY396

site_idDC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE CAO B 500
ChainResidue
BARG230
BLYS234
BSER245
BPHE246
BMET247
BILE285
BGLN317
BASN339
BGLY341
BSER342
BGLY363
BTHR364
BILE365
BHOH848
BHOH870
BHOH875
BHOH917

site_idDC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CAO C 500
ChainResidue
CARG230
CSER245
CPHE246
CMET247
CILE285
CGLN317
CASN339
CGLY341
CSER342
CGLY363
CTHR364
CILE365
CHOH839
CHOH846
CHOH864

site_idDC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE CAO D 500
ChainResidue
DARG230
DSER245
DPHE246
DILE285
DASN339
DGLY341
DSER342
DGLY363
DTHR364
DILE365
DHOH830
DHOH857
DHOH869
DHOH894
HACT602
HHOH907

site_idDC7
Number of Residues27
DetailsBINDING SITE FOR RESIDUE CAO E 500
ChainResidue
EARG230
ELYS234
ESER245
EPHE246
EMET247
EILE285
EALA286
EMET287
EASP288
ELEU293
EGLN317
ESER338
EASN339
EGLY341
ESER342
EGLY363
ETHR364
EILE365
EACT600
EHOH825
EHOH846
EHOH864
EHOH903
FHIS391
FASP395
FGLY396
FHOH829

site_idDC8
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CAO F 500
ChainResidue
FARG230
FLYS234
FSER245
FPHE246
FMET247
FILE285
FASN339
FGLY341
FSER342
FGLY363
FTHR364
FILE365
FHOH840
FHOH859

site_idDC9
Number of Residues23
DetailsBINDING SITE FOR RESIDUE CAO G 500
ChainResidue
GARG230
GLYS234
GSER245
GPHE246
GMET247
GALA286
GASP288
GLEU293
GLEU313
GGLN317
GSER338
GASN339
GGLY341
GSER342
GGLY363
GTHR364
GILE365
GHIS391
GGLY396
GACT600
GHOH831
GHOH861
GHOH867

site_idEC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE CAO H 500
ChainResidue
DACT602
HARG230
HLYS243
HSER245
HPHE246
HMET247
HILE285
HMET287
HGLN317
HASN339
HGLY341
HSER342
HGLY363
HTHR364
HILE365
HHOH839
HHOH883
HHOH885
HHOH901

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues72
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17124494","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2II4","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues24
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues16
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P11182","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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