9Q8I | pdb_00009q8i

Cryo-EM structure of E. coli complex I variant V96P/N142M (NuoE)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
H [auth I]SCOP2B Superfamily4Fe-4S ferredoxins 8103951 3000020 SCOP2B (2022-06-29)
J [auth K]SCOP2B SuperfamilyNADH-quinone oxidoreductase, subunit 11-like 8104293 3002200 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyNADH-quinone oxidoreductase, subunit 11-like 8106938 3002200 SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
I [auth J]PF00499NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3)NADH-ubiquinone/plastoquinone oxidoreductase chain 6- Family
H [auth I]PF000374Fe-4S binding domain (Fer4)4Fe-4S binding domainSuperfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain
G [auth H]PF00146NADH dehydrogenase (NADHdh)NADH dehydrogenase- Family
F [auth G]PF01568Molydopterin dinucleotide binding domain (Molydop_binding)Molydopterin dinucleotide binding domainThis domain is found in various molybdopterin - containing oxidoreductases and tungsten formylmethanofuran dehydrogenase subunit d (FwdD) and molybdenum formylmethanofuran dehydrogenase subunit (FmdD); where the domain constitutes almost the entire s ...This domain is found in various molybdopterin - containing oxidoreductases and tungsten formylmethanofuran dehydrogenase subunit d (FwdD) and molybdenum formylmethanofuran dehydrogenase subunit (FmdD); where the domain constitutes almost the entire subunit. The formylmethanofuran dehydrogenase catalyses the first step in methane formation from CO2 in methanogenic archaea and has a molybdopterin dinucleotide cofactor [1]. This domain corresponds to the C-terminal domain IV in dimethyl sulfoxide (DMSO)reductase which interacts with the 2-amino pyrimidone ring of both molybdopterin guanine dinucleotide molecules [2].
Domain
F [auth G]PF04879Molybdopterin oxidoreductase Fe4S4 domain (Molybdop_Fe4S4)Molybdopterin oxidoreductase Fe4S4 domainThis domain is found in formate dehydrogenase H for which the structure is known. This first domain (residues 1 to 60) of PDB:1aa6 is an Fe4S4 cluster just below the protein surface [1]. Domain
F [auth G]PF00384Molybdopterin oxidoreductase (Molybdopterin)Molybdopterin oxidoreductaseDomain
F [auth G]PF22117NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain (Fer4_Nqo3)NADH-quinone oxidoreductase subunit 3, ferredoxin-like domainNADH-quinone oxidoreductase subunit 3 (Nqo3) is a component of respiratory complex I. This protein is located at the peripheral arm of the complex and consists of multiple domains. This entry represents the second ferredoxin-like domain which contain ...NADH-quinone oxidoreductase subunit 3 (Nqo3) is a component of respiratory complex I. This protein is located at the peripheral arm of the complex and consists of multiple domains. This entry represents the second ferredoxin-like domain which contains Fe4-S4 cluster, one of the redox centers of the complex [1-5].
Domain
F [auth G]PF135102Fe-2S iron-sulfur cluster binding domain (Fer2_4)2Fe-2S iron-sulfur cluster binding domainThe 2Fe-2S ferredoxin family have a general core structure consisting of beta(2)-alpha-beta(2) which a beta-grasp type fold. The domain is around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated. Th ...The 2Fe-2S ferredoxin family have a general core structure consisting of beta(2)-alpha-beta(2) which a beta-grasp type fold. The domain is around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated. This cluster appears within sarcosine oxidase proteins.
Domain
F [auth G]PF10588NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3)NADH-ubiquinone oxidoreductase-G iron-sulfur binding regionDomain
E [auth F]PF01512Nuo51 FMN-binding domain (Complex1_51K)Nuo51 FMN-binding domainThis entry represents the FMN-binding domain of NADH-ubiquinone oxidoreductase 51kDa subunit from NADH:ubiquinone oxidoreductase. Domain
E [auth F]PF10589NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S)NADH-ubiquinone oxidoreductase-F iron-sulfur binding regionDomain
D [auth E]PF01257Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx)Thioredoxin-like [2Fe-2S] ferredoxin- Family
PF00329Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa)Respiratory-chain NADH dehydrogenase, 30 Kd subunitDomain
PF00346Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa)Respiratory-chain NADH dehydrogenase, 49 Kd subunit- Family
PF01058NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6)NADH ubiquinone oxidoreductase, 20 Kd subunitDomain
M [auth N]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
L [auth M]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
K [auth L]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
K [auth L]PF00662NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N)NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminusThis entry represents an amino terminal extension of Pfam:PF00361. Only NADH-Ubiquinone chain 5 and eubacterial chain L are in this family. This sub-family is part of complex I which catalyses the transfer of two electrons from NADH to ubiquinone in ...This entry represents an amino terminal extension of Pfam:PF00361. Only NADH-Ubiquinone chain 5 and eubacterial chain L are in this family. This sub-family is part of complex I which catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane.
Domain
J [auth K]PF00420NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2)NADH-ubiquinone/plastoquinone oxidoreductase chain 4L- Family
PF00507NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4)NADH-ubiquinone/plastoquinone oxidoreductase, chain 3- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
I [auth J]NADH-quinone oxidoreductase subunit J
H [auth I]NADH-quinone oxidoreductase subunit I
G [auth H]NADH-quinone oxidoreductase subunit H
F [auth G]NADH-quinone oxidoreductase subunit G
E [auth F]NADH-quinone oxidoreductase subunit F
D [auth E]NADH-quinone oxidoreductase subunit E
NADH-quinone oxidoreductase subunit C/D
NADH-quinone oxidoreductase subunit B
M [auth N]NADH-quinone oxidoreductase subunit N
L [auth M]NADH-quinone oxidoreductase subunit M
K [auth L]NADH-quinone oxidoreductase subunit L
J [auth K]NADH-quinone oxidoreductase subunit K
NADH-quinone oxidoreductase subunit A

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
I [auth J]IPR042106NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJHomologous Superfamily
I [auth J]IPR001457NADH:ubiquinone/plastoquinone oxidoreductase, chain 6Family
H [auth I]IPR010226NADH-quinone oxidoreductase, chain IFamily
H [auth I]IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
H [auth I]IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
G [auth H]IPR001694NADH:ubiquinone oxidoreductase, subunit 1/F420H2 oxidoreductase subunit HFamily
G [auth H]IPR018086NADH:ubiquinone oxidoreductase, subunit 1, conserved siteConserved Site
F [auth G]IPR006963Molybdopterin oxidoreductase, 4Fe-4S domainDomain
F [auth G]IPR0010412Fe-2S ferredoxin-type iron-sulfur binding domainDomain
F [auth G]IPR054351NADH-ubiquinone oxidoreductase, ferredoxin-like domainDomain
F [auth G]IPR010228NADH:ubiquinone oxidoreductase, subunit GFamily
F [auth G]IPR009010Aspartate decarboxylase-like domain superfamilyHomologous Superfamily
F [auth G]IPR050123Prokaryotic molybdopterin-containing oxidoreductaseFamily
F [auth G]IPR006657Molybdopterin dinucleotide-binding domainDomain
F [auth G]IPR006656Molybdopterin oxidoreductaseDomain
F [auth G]IPR0360102Fe-2S ferredoxin-like superfamilyHomologous Superfamily
F [auth G]IPR000283NADH:ubiquinone oxidoreductase, 75kDa subunit, conserved siteConserved Site
F [auth G]IPR019574NADH:ubiquinone oxidoreductase, subunit G, iron-sulphur bindingDomain
E [auth F]IPR019575NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domainDomain
E [auth F]IPR011537NADH ubiquinone oxidoreductase, F subunitFamily
E [auth F]IPR001949NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved siteConserved Site
E [auth F]IPR037225NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamilyHomologous Superfamily
E [auth F]IPR037207NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamilyHomologous Superfamily
E [auth F]IPR011538NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domainDomain
D [auth E]IPR041921NADH-quinone oxidoreductase subunit E, N-terminalHomologous Superfamily
D [auth E]IPR042128NuoE domainDomain
D [auth E]IPR002023NADH-quinone oxidoreductase subunit E-likeFamily
D [auth E]IPR036249Thioredoxin-like superfamilyHomologous Superfamily
IPR037232NADH:ubiquinone oxidoreductase, 30kDa subunit superfamilyHomologous Superfamily
IPR023062NADH dehydrogenase, subunit CDFamily
IPR014029NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved siteConserved Site
IPR029014[NiFe]-hydrogenase, large subunitHomologous Superfamily
IPR022885NAD(P)H-quinone oxidoreductase subunit D/HFamily
IPR001268NADH:ubiquinone oxidoreductase, 30kDa subunitDomain
IPR001135NADH-quinone oxidoreductase, subunit DDomain
IPR020396NADH:ubiquinone oxidoreductase, 30kDa subunit, conserved siteConserved Site
IPR010218NADH dehydrogenase, subunit CFamily
IPR006137NADH:ubiquinone oxidoreductase-like, 20kDa subunitDomain
IPR006138NADH-ubiquinone oxidoreductase, 20 Kd subunitFamily
M [auth N]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
M [auth N]IPR010096NAD(P)H-quinone oxidoreductase, subunit N/subunit 2Family
L [auth M]IPR003918NADH:ubiquinone oxidoreductaseFamily
L [auth M]IPR010227NADH-quinone oxidoreductase, chain M/4Family
L [auth M]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
K [auth L]IPR003945NADH-quinone oxidoreductase, chain 5-likeFamily
K [auth L]IPR001516NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminalDomain
K [auth L]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
K [auth L]IPR018393NADH-plastoquinone oxidoreductase, chain 5 subgroupFamily
J [auth K]IPR001133NADH-ubiquinone oxidoreductase chain 4L/KFamily
J [auth K]IPR039428NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-likeFamily
IPR023043NAD(P)H-quinone oxidoreductase subunit 3, bacterial/plastidFamily
IPR000440NADH:ubiquinone/plastoquinone oxidoreductase, chain 3Family
IPR038430NADH:ubiquinone oxidoreductase, subunit 3 superfamilyHomologous Superfamily