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3RNM

The crystal structure of the subunit binding of human dihydrolipoamide transacylase (E2b) bound to human dihydrolipoamide dehydrogenase (E3)

Functional Information from GO Data
ChainGOidnamespacecontents
A0001669cellular_componentacrosomal vesicle
A0004148molecular_functiondihydrolipoyl dehydrogenase (NADH) activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005759cellular_componentmitochondrial matrix
A0005929cellular_componentcilium
A0006086biological_processpyruvate decarboxylation to acetyl-CoA
A0006099biological_processtricarboxylic acid cycle
A0006103biological_process2-oxoglutarate metabolic process
A0009083biological_processbranched-chain amino acid catabolic process
A0016491molecular_functionoxidoreductase activity
A0016668molecular_functionoxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
A0019474biological_processobsolete L-lysine catabolic process to acetyl-CoA
A0031410cellular_componentcytoplasmic vesicle
A0031514cellular_componentmotile cilium
A0043159cellular_componentacrosomal matrix
A0045252cellular_componentoxoglutarate dehydrogenase complex
A0045254cellular_componentpyruvate dehydrogenase complex
A0050660molecular_functionflavin adenine dinucleotide binding
A0120551biological_process2-oxoglutarate decarboxylation to succinyl-CoA
A0120552biological_processbranched-chain alpha-keto acid decarboxylation to branched-chain acyl-CoA
A0160157cellular_componentbranched-chain alpha-ketoacid dehydrogenase complex
A0160167cellular_componentoxoadipate dehydrogenase complex
B0001669cellular_componentacrosomal vesicle
B0004148molecular_functiondihydrolipoyl dehydrogenase (NADH) activity
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005759cellular_componentmitochondrial matrix
B0005929cellular_componentcilium
B0006086biological_processpyruvate decarboxylation to acetyl-CoA
B0006099biological_processtricarboxylic acid cycle
B0006103biological_process2-oxoglutarate metabolic process
B0009083biological_processbranched-chain amino acid catabolic process
B0016491molecular_functionoxidoreductase activity
B0016668molecular_functionoxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
B0019474biological_processobsolete L-lysine catabolic process to acetyl-CoA
B0031410cellular_componentcytoplasmic vesicle
B0031514cellular_componentmotile cilium
B0043159cellular_componentacrosomal matrix
B0045252cellular_componentoxoglutarate dehydrogenase complex
B0045254cellular_componentpyruvate dehydrogenase complex
B0050660molecular_functionflavin adenine dinucleotide binding
B0120551biological_process2-oxoglutarate decarboxylation to succinyl-CoA
B0120552biological_processbranched-chain alpha-keto acid decarboxylation to branched-chain acyl-CoA
B0160157cellular_componentbranched-chain alpha-ketoacid dehydrogenase complex
B0160167cellular_componentoxoadipate dehydrogenase complex
C0001669cellular_componentacrosomal vesicle
C0004148molecular_functiondihydrolipoyl dehydrogenase (NADH) activity
C0005515molecular_functionprotein binding
C0005634cellular_componentnucleus
C0005654cellular_componentnucleoplasm
C0005737cellular_componentcytoplasm
C0005739cellular_componentmitochondrion
C0005759cellular_componentmitochondrial matrix
C0005929cellular_componentcilium
C0006086biological_processpyruvate decarboxylation to acetyl-CoA
C0006099biological_processtricarboxylic acid cycle
C0006103biological_process2-oxoglutarate metabolic process
C0009083biological_processbranched-chain amino acid catabolic process
C0016491molecular_functionoxidoreductase activity
C0016668molecular_functionoxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
C0019474biological_processobsolete L-lysine catabolic process to acetyl-CoA
C0031410cellular_componentcytoplasmic vesicle
C0031514cellular_componentmotile cilium
C0043159cellular_componentacrosomal matrix
C0045252cellular_componentoxoglutarate dehydrogenase complex
C0045254cellular_componentpyruvate dehydrogenase complex
C0050660molecular_functionflavin adenine dinucleotide binding
C0120551biological_process2-oxoglutarate decarboxylation to succinyl-CoA
C0120552biological_processbranched-chain alpha-keto acid decarboxylation to branched-chain acyl-CoA
C0160157cellular_componentbranched-chain alpha-ketoacid dehydrogenase complex
C0160167cellular_componentoxoadipate dehydrogenase complex
D0001669cellular_componentacrosomal vesicle
D0004148molecular_functiondihydrolipoyl dehydrogenase (NADH) activity
D0005515molecular_functionprotein binding
D0005634cellular_componentnucleus
D0005654cellular_componentnucleoplasm
D0005737cellular_componentcytoplasm
D0005739cellular_componentmitochondrion
D0005759cellular_componentmitochondrial matrix
D0005929cellular_componentcilium
D0006086biological_processpyruvate decarboxylation to acetyl-CoA
D0006099biological_processtricarboxylic acid cycle
D0006103biological_process2-oxoglutarate metabolic process
D0009083biological_processbranched-chain amino acid catabolic process
D0016491molecular_functionoxidoreductase activity
D0016668molecular_functionoxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
D0019474biological_processobsolete L-lysine catabolic process to acetyl-CoA
D0031410cellular_componentcytoplasmic vesicle
D0031514cellular_componentmotile cilium
D0043159cellular_componentacrosomal matrix
D0045252cellular_componentoxoglutarate dehydrogenase complex
D0045254cellular_componentpyruvate dehydrogenase complex
D0050660molecular_functionflavin adenine dinucleotide binding
D0120551biological_process2-oxoglutarate decarboxylation to succinyl-CoA
D0120552biological_processbranched-chain alpha-keto acid decarboxylation to branched-chain acyl-CoA
D0160157cellular_componentbranched-chain alpha-ketoacid dehydrogenase complex
D0160167cellular_componentoxoadipate dehydrogenase complex
E0016746molecular_functionacyltransferase activity
F0016746molecular_functionacyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE BME A 500
ChainResidue
ASER168
AILE189
ACYS277
AARG280
AFAD480
AHOH563

site_idAC2
Number of Residues39
DetailsBINDING SITE FOR RESIDUE FAD A 480
ChainResidue
APRO16
AGLY17
AGLU36
ALYS37
AASN38
AGLY43
ATHR44
ACYS45
AVAL48
AGLY49
ACYS50
ALYS54
AGLY117
ATYR118
AGLY119
AALA147
ATHR148
AGLY149
ASER150
AILE189
AARG280
APHE283
AGLY319
AASP320
AMET326
ALEU327
AALA328
AHIS329
ATYR359
AHOH476
AHOH478
AHOH489
ABME500
AHOH535
AHOH547
BHIS452
AILE12
AGLY13
AGLY15

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NHE A 475
ChainResidue
AASN225
AGLY402
AHOH536

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE BME B 500
ChainResidue
BSER168
BCYS277
BARG280
BFAD480

site_idAC5
Number of Residues37
DetailsBINDING SITE FOR RESIDUE FAD B 480
ChainResidue
AHIS452
APRO453
BILE12
BGLY13
BGLY15
BPRO16
BGLY17
BILE35
BGLU36
BLYS37
BASN38
BGLY43
BTHR44
BCYS45
BVAL48
BGLY49
BCYS50
BLYS54
BTYR118
BGLY119
BALA147
BTHR148
BGLY149
BSER150
BARG280
BPHE283
BLEU287
BGLY319
BASP320
BMET326
BLEU327
BALA328
BHIS329
BALA331
BTYR359
BBME500
BHOH505

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NHE B 475
ChainResidue
BASN225
BGLY402
BMET403
BPHE474

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE BME C 500
ChainResidue
CILE189
CCYS277
CGLY279
CHOH503
CHOH527
EHIS160

site_idAC8
Number of Residues39
DetailsBINDING SITE FOR RESIDUE FAD C 480
ChainResidue
CILE12
CGLY13
CGLY15
CPRO16
CGLY17
CGLU36
CLYS37
CASN38
CGLY43
CTHR44
CCYS45
CVAL48
CGLY49
CCYS50
CLYS54
CGLY117
CTYR118
CGLY119
CALA147
CTHR148
CGLY149
CSER150
CSER168
CILE189
CARG280
CPHE283
CGLY319
CASP320
CMET326
CLEU327
CALA328
CHIS329
CALA331
CTYR359
CHOH476
CHOH491
CHOH496
CHOH504
DHIS452

site_idAC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NHE C 475
ChainResidue
CASN225
CGLY402
CPHE474

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE BME D 500
ChainResidue
DSER168
DILE189
DCYS277
DARG280
DFAD480

site_idBC2
Number of Residues38
DetailsBINDING SITE FOR RESIDUE FAD D 480
ChainResidue
CHIS452
DILE12
DGLY13
DGLY15
DPRO16
DGLY17
DGLU36
DLYS37
DASN38
DGLY43
DTHR44
DCYS45
DVAL48
DGLY49
DCYS50
DLYS54
DTYR118
DGLY119
DALA147
DTHR148
DGLY149
DSER150
DSER168
DILE189
DARG280
DPHE283
DGLY319
DASP320
DMET326
DLEU327
DALA328
DHIS329
DTYR359
DHOH476
DHOH486
DHOH489
DHOH490
DBME500

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NHE D 475
ChainResidue
DASN225
DPRO387
DGLY402
DHOH548

Functional Information from PROSITE/UniProt
site_idPS00076
Number of Residues11
DetailsPYRIDINE_REDOX_1 Pyridine nucleotide-disulphide oxidoreductases class-I active site. GGtCLnvGCIP
ChainResidueDetails
AGLY42-PRO52

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"UniProtKB","id":"P09624","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues108
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15946682","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsSite: {"description":"Important for interaction with PDHX and activity of multienzyme pyruvate dehydrogenase complex","evidences":[{"source":"PubMed","id":"20385101","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues28
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"O08749","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues20
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"O08749","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"O08749","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q6P6R2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues8
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"O08749","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues74
DetailsDomain: {"description":"Peripheral subunit-binding (PSBD)","evidences":[{"source":"PROSITE-ProRule","id":"PRU01170","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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