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2WDQ

E. coli succinate:quinone oxidoreductase (SQR) with carboxin bound

Functional Information from GO Data
ChainGOidnamespacecontents
A0000104molecular_functionsuccinate dehydrogenase activity
A0005515molecular_functionprotein binding
A0005886cellular_componentplasma membrane
A0006099biological_processtricarboxylic acid cycle
A0008177molecular_functionsuccinate dehydrogenase (quinone) activity
A0009055molecular_functionelectron transfer activity
A0009060biological_processaerobic respiration
A0009061biological_processanaerobic respiration
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0016627molecular_functionoxidoreductase activity, acting on the CH-CH group of donors
A0019646biological_processaerobic electron transport chain
A0022900biological_processelectron transport chain
A0045273cellular_componentrespiratory chain complex II (succinate dehydrogenase)
A0050660molecular_functionflavin adenine dinucleotide binding
B0005515molecular_functionprotein binding
B0005886cellular_componentplasma membrane
B0006099biological_processtricarboxylic acid cycle
B0008177molecular_functionsuccinate dehydrogenase (quinone) activity
B0009055molecular_functionelectron transfer activity
B0009060biological_processaerobic respiration
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0019646biological_processaerobic electron transport chain
B0022904biological_processrespiratory electron transport chain
B0046872molecular_functionmetal ion binding
B0051536molecular_functioniron-sulfur cluster binding
B0051537molecular_function2 iron, 2 sulfur cluster binding
B0051538molecular_function3 iron, 4 sulfur cluster binding
B0051539molecular_function4 iron, 4 sulfur cluster binding
C0005886cellular_componentplasma membrane
C0006099biological_processtricarboxylic acid cycle
C0008177molecular_functionsuccinate dehydrogenase (quinone) activity
C0009055molecular_functionelectron transfer activity
C0009060biological_processaerobic respiration
C0016020cellular_componentmembrane
C0017004biological_processcytochrome complex assembly
C0019646biological_processaerobic electron transport chain
C0020037molecular_functionheme binding
C0046872molecular_functionmetal ion binding
C0048039molecular_functionubiquinone binding
D0005886cellular_componentplasma membrane
D0006099biological_processtricarboxylic acid cycle
D0009055molecular_functionelectron transfer activity
D0009060biological_processaerobic respiration
D0016020cellular_componentmembrane
D0017004biological_processcytochrome complex assembly
D0019646biological_processaerobic electron transport chain
D0020037molecular_functionheme binding
D0046872molecular_functionmetal ion binding
E0000104molecular_functionsuccinate dehydrogenase activity
E0005515molecular_functionprotein binding
E0005886cellular_componentplasma membrane
E0006099biological_processtricarboxylic acid cycle
E0008177molecular_functionsuccinate dehydrogenase (quinone) activity
E0009055molecular_functionelectron transfer activity
E0009060biological_processaerobic respiration
E0009061biological_processanaerobic respiration
E0016020cellular_componentmembrane
E0016491molecular_functionoxidoreductase activity
E0016627molecular_functionoxidoreductase activity, acting on the CH-CH group of donors
E0019646biological_processaerobic electron transport chain
E0022900biological_processelectron transport chain
E0045273cellular_componentrespiratory chain complex II (succinate dehydrogenase)
E0050660molecular_functionflavin adenine dinucleotide binding
F0005515molecular_functionprotein binding
F0005886cellular_componentplasma membrane
F0006099biological_processtricarboxylic acid cycle
F0008177molecular_functionsuccinate dehydrogenase (quinone) activity
F0009055molecular_functionelectron transfer activity
F0009060biological_processaerobic respiration
F0016020cellular_componentmembrane
F0016491molecular_functionoxidoreductase activity
F0019646biological_processaerobic electron transport chain
F0022904biological_processrespiratory electron transport chain
F0046872molecular_functionmetal ion binding
F0051536molecular_functioniron-sulfur cluster binding
F0051537molecular_function2 iron, 2 sulfur cluster binding
F0051538molecular_function3 iron, 4 sulfur cluster binding
F0051539molecular_function4 iron, 4 sulfur cluster binding
G0005886cellular_componentplasma membrane
G0006099biological_processtricarboxylic acid cycle
G0008177molecular_functionsuccinate dehydrogenase (quinone) activity
G0009055molecular_functionelectron transfer activity
G0009060biological_processaerobic respiration
G0016020cellular_componentmembrane
G0017004biological_processcytochrome complex assembly
G0019646biological_processaerobic electron transport chain
G0020037molecular_functionheme binding
G0046872molecular_functionmetal ion binding
G0048039molecular_functionubiquinone binding
H0005886cellular_componentplasma membrane
H0006099biological_processtricarboxylic acid cycle
H0009055molecular_functionelectron transfer activity
H0009060biological_processaerobic respiration
H0016020cellular_componentmembrane
H0017004biological_processcytochrome complex assembly
H0019646biological_processaerobic electron transport chain
H0020037molecular_functionheme binding
H0046872molecular_functionmetal ion binding
I0000104molecular_functionsuccinate dehydrogenase activity
I0005515molecular_functionprotein binding
I0005886cellular_componentplasma membrane
I0006099biological_processtricarboxylic acid cycle
I0008177molecular_functionsuccinate dehydrogenase (quinone) activity
I0009055molecular_functionelectron transfer activity
I0009060biological_processaerobic respiration
I0009061biological_processanaerobic respiration
I0016020cellular_componentmembrane
I0016491molecular_functionoxidoreductase activity
I0016627molecular_functionoxidoreductase activity, acting on the CH-CH group of donors
I0019646biological_processaerobic electron transport chain
I0022900biological_processelectron transport chain
I0045273cellular_componentrespiratory chain complex II (succinate dehydrogenase)
I0050660molecular_functionflavin adenine dinucleotide binding
J0005515molecular_functionprotein binding
J0005886cellular_componentplasma membrane
J0006099biological_processtricarboxylic acid cycle
J0008177molecular_functionsuccinate dehydrogenase (quinone) activity
J0009055molecular_functionelectron transfer activity
J0009060biological_processaerobic respiration
J0016020cellular_componentmembrane
J0016491molecular_functionoxidoreductase activity
J0019646biological_processaerobic electron transport chain
J0022904biological_processrespiratory electron transport chain
J0046872molecular_functionmetal ion binding
J0051536molecular_functioniron-sulfur cluster binding
J0051537molecular_function2 iron, 2 sulfur cluster binding
J0051538molecular_function3 iron, 4 sulfur cluster binding
J0051539molecular_function4 iron, 4 sulfur cluster binding
K0005886cellular_componentplasma membrane
K0006099biological_processtricarboxylic acid cycle
K0008177molecular_functionsuccinate dehydrogenase (quinone) activity
K0009055molecular_functionelectron transfer activity
K0009060biological_processaerobic respiration
K0016020cellular_componentmembrane
K0017004biological_processcytochrome complex assembly
K0019646biological_processaerobic electron transport chain
K0020037molecular_functionheme binding
K0046872molecular_functionmetal ion binding
K0048039molecular_functionubiquinone binding
L0005886cellular_componentplasma membrane
L0006099biological_processtricarboxylic acid cycle
L0009055molecular_functionelectron transfer activity
L0009060biological_processaerobic respiration
L0016020cellular_componentmembrane
L0017004biological_processcytochrome complex assembly
L0019646biological_processaerobic electron transport chain
L0020037molecular_functionheme binding
L0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues41
DetailsBINDING SITE FOR RESIDUE FAD A 601
ChainResidue
AGLY14
AHIS45
ATHR46
ASER48
AALA49
AGLN50
AGLY51
AGLY52
ATRP164
ATYR165
AALA166
AALA15
AALA201
ATHR202
AGLY203
ATHR213
AASN214
AASP221
ALEU252
AHIS354
ATYR355
AGLY387
AGLY16
AGLU388
AARG399
AGLY402
AASN403
ASER404
ALEU405
ALEU408
ATEO1589
AHOH2082
AHOH2095
AGLY17
AHOH2156
AHOH2256
AALA18
ASER37
ALYS38
AVAL39
ASER44

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE FES B 302
ChainResidue
BSER54
BCYS55
BARG56
BGLY58
BVAL59
BCYS60
BGLY61
BASP63
BCYS75

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 B 303
ChainResidue
BCYS149
BILE150
BCYS152
BALA153
BCYS155
BCYS216
BPRO217

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE F3S B 304
ChainResidue
BCYS159
BPRO172
BCYS206
BHIS207
BSER208
BILE209
BMET210
BASN211
BCYS212
BTHR223

site_idAC5
Number of Residues41
DetailsBINDING SITE FOR RESIDUE FAD E 601
ChainResidue
EASN403
ESER404
ELEU405
ELEU408
ETEO1589
EHOH2016
EHOH2134
EHOH2232
EHOH2233
EGLY14
EALA15
EGLY16
EGLY17
EALA18
ESER37
ELYS38
EVAL39
ESER44
EHIS45
ETHR46
ESER48
EALA49
EGLN50
EGLY51
EGLY52
ETRP164
ETYR165
EALA166
EALA201
ETHR202
EGLY203
ETHR213
EASN214
EASP221
ELEU252
EHIS354
ETYR355
EGLY387
EGLU388
EARG399
EGLY402

site_idAC6
Number of Residues9
DetailsBINDING SITE FOR RESIDUE FES F 302
ChainResidue
FSER54
FCYS55
FARG56
FGLY58
FVAL59
FCYS60
FGLY61
FASP63
FCYS75

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 F 303
ChainResidue
FCYS149
FILE150
FCYS152
FALA153
FCYS155
FCYS216
FPRO217

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE F3S F 304
ChainResidue
FCYS159
FCYS206
FHIS207
FILE209
FMET210
FASN211
FCYS212
FTHR223

site_idAC9
Number of Residues41
DetailsBINDING SITE FOR RESIDUE FAD I 601
ChainResidue
IGLY14
IALA15
IGLY16
IGLY17
IALA18
ISER37
ILYS38
IVAL39
ISER44
IHIS45
ITHR46
ISER48
IALA49
IGLN50
IGLY51
IGLY52
ITRP164
ITYR165
IALA166
IALA201
ITHR202
IGLY203
ITHR213
IASN214
IASP221
ILEU252
IHIS354
ITYR355
IGLY387
IGLU388
IARG399
IGLY402
IASN403
ISER404
ILEU405
ILEU408
ITEO1589
IHOH2010
IHOH2114
IHOH2195
IHOH2196

site_idBC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE FES J 302
ChainResidue
JSER54
JCYS55
JARG56
JGLY58
JVAL59
JCYS60
JGLY61
JASP63
JCYS75

site_idBC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 J 303
ChainResidue
JCYS149
JILE150
JCYS152
JALA153
JCYS155
JCYS216
JPRO217

site_idBC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE F3S J 304
ChainResidue
JCYS159
JCYS206
JHIS207
JSER208
JILE209
JMET210
JASN211
JCYS212
JTHR223

site_idBC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM C 1129
ChainResidue
BHIS207
CHIS30
CARG31
CGLY34
CTHR37
CPHE38
CHIS84
CGLY88
CHIS91
CCBE1130
CHOH2021
CHOH2022
DALA23
DLEU26
DTHR27
DHIS71
DGLY75
DGLN78

site_idBC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CBE C 1130
ChainResidue
BPRO160
BSER161
BTRP164
BHIS207
CPHE20
CSER27
CILE28
CARG31
CHEM1129
DASP82
DTYR83

site_idBC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE TEO A 1589
ChainResidue
AGLY51
APHE119
AHIS242
ALEU252
ATHR254
AGLU255
AARG286
AHIS354
AARG399
AGLY401
AGLY402
AFAD601

site_idBC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 1590
ChainResidue
AMET356
AMET357
AGLY358
AGLU388
AALA390
AHOH2137

site_idBC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 1591
ChainResidue
AARG207
AHIS216
AHOH2257
AHOH2258
BARG56
BHOH2022

site_idBC9
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM G 1129
ChainResidue
FHIS207
GHIS30
GARG31
GGLY34
GTHR37
GPHE38
GHIS84
GVAL85
GGLY88
GILE89
GHIS91
GCBE1130
GHOH2015
GHOH2016
HALA23
HLEU26
HTHR27
HHIS71
HGLY75
HGLN78

site_idCC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE CBE G 1130
ChainResidue
FTRP164
FHIS207
GPHE20
GSER27
GILE28
GARG31
GHEM1129
GHOH2017
HASP82
HTYR83

site_idCC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE TEO E 1589
ChainResidue
EGLY51
EPHE119
EHIS242
ETHR254
EGLU255
EARG286
EHIS354
EARG399
EGLY401
EGLY402
EFAD601

site_idCC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA E 1590
ChainResidue
EMET356
EMET357
EGLY358
EGLU388
EALA390
EHOH2119

site_idCC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 E 1591
ChainResidue
EARG207
EHIS216
EHOH2234
FARG56

site_idCC5
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM K 1129
ChainResidue
JHIS207
KHIS30
KARG31
KGLY34
KTHR37
KPHE38
KLEU81
KHIS84
KVAL85
KGLY88
KILE89
KHIS91
KCBE1130
LALA23
LLEU26
LTHR27
LHIS71
LGLY75
LMET76
LGLN78

site_idCC6
Number of Residues9
DetailsBINDING SITE FOR RESIDUE CBE K 1130
ChainResidue
JTRP164
JHIS207
KPHE20
KSER27
KILE28
KARG31
KHEM1129
LASP82
LTYR83

site_idCC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE TEO I 1589
ChainResidue
IGLY51
IPHE119
IHIS242
ITHR254
IGLU255
IARG286
IHIS354
IARG399
IGLY401
IGLY402
IFAD601

site_idCC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA I 1590
ChainResidue
IMET356
IMET357
IGLY358
IGLU388
IALA390
IHOH2102

site_idCC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 I 1591
ChainResidue
IARG207
IHIS216
IHOH2075
IHOH2197
JARG56

Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CiLCAcCStSCP
ChainResidueDetails
BCYS149-PRO160

site_idPS00504
Number of Residues10
DetailsFRD_SDH_FAD_BINDING Fumarate reductase / succinate dehydrogenase FAD-binding site. RSHTvsAqGG
ChainResidueDetails
AARG43-GLY52

site_idPS01000
Number of Residues25
DetailsSDH_CYT_1 Succinate dehydrogenase cytochrome b subunit signature 1. RPVnldLqtirfpItaiaSilHRvS
ChainResidueDetails
CARG9-SER33

site_idPS01001
Number of Residues14
DetailsSDH_CYT_2 Succinate dehydrogenase cytochrome b subunit signature 2. HvvvGIRHMmMDfG
ChainResidueDetails
CHIS84-GLY97

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues69
DetailsTOPO_DOM: Cytoplasmic => ECO:0000305
ChainResidueDetails
DMET1-ASP15
BCYS216
FCYS55
FCYS60
FCYS75
FCYS149
FCYS152
FCYS155
FCYS159
FCYS206
FCYS212
DTHR81-ARG90
FCYS216
JCYS55
JCYS60
JCYS75
JCYS149
JCYS152
JCYS155
JCYS159
JCYS206
JCYS212
HMET1-ASP15
JCYS216
HTHR81-ARG90
LMET1-ASP15
LTHR81-ARG90
BCYS159
BCYS206
BCYS212

site_idSWS_FT_FI2
Number of Residues195
DetailsTRANSMEM: Helical
ChainResidueDetails
DPHE16-PHE36
ESER404
IGLY14
ISER37
IASP221
IGLU388
ISER404
DVAL59-LEU80
DLEU91-VAL115
HPHE16-PHE36
HVAL59-LEU80
HLEU91-VAL115
LPHE16-PHE36
LVAL59-LEU80
LLEU91-VAL115

site_idSWS_FT_FI3
Number of Residues63
DetailsTOPO_DOM: Periplasmic => ECO:0000305
ChainResidueDetails
DPHE37-LYS58
ITHR254
IHIS354
IARG399
HPHE37-LYS58
LPHE37-LYS58
AARG399
EHIS242
ETHR254
EHIS354
EARG399
IHIS242

site_idSWS_FT_FI4
Number of Residues3
DetailsBINDING: axial binding residue
ChainResidueDetails
DHIS71
HHIS71
LHIS71

site_idSWS_FT_FI5
Number of Residues3
DetailsBINDING: BINDING => ECO:0000269|PubMed:12560550
ChainResidueDetails
DTYR83
HTYR83
LTYR83

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1d4c
ChainResidueDetails
AHIS242
AARG286
AHIS354
AARG399

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1d4c
ChainResidueDetails
EHIS242
EARG286
EHIS354
EARG399

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1d4c
ChainResidueDetails
IHIS242
IARG286
IHIS354
IARG399

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PDB entries from 2024-10-30

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