ID NDHI_LOXSI Reviewed; 166 AA. AC Q8HVQ0; DT 03-OCT-2006, integrated into UniProtKB/Swiss-Prot. DT 01-MAR-2003, sequence version 1. DT 11-DEC-2019, entry version 83. DE RecName: Full=NAD(P)H-quinone oxidoreductase subunit I, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01351}; DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01351}; DE AltName: Full=NAD(P)H dehydrogenase subunit I {ECO:0000255|HAMAP-Rule:MF_01351}; DE Short=NDH subunit I {ECO:0000255|HAMAP-Rule:MF_01351}; DE AltName: Full=NADH-plastoquinone oxidoreductase subunit I {ECO:0000255|HAMAP-Rule:MF_01351}; GN Name=ndhI {ECO:0000255|HAMAP-Rule:MF_01351}; OS Loxothysanus sinuatus. OG Plastid; Chloroplast. OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; OC asterids; campanulids; Asterales; Asteraceae; Asteroideae; OC Heliantheae alliance; Bahieae; Loxothysanus. OX NCBI_TaxID=176551; RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RA Panero J.L., Baldwin B.G., Schilling E.E., Clevinger J.A.; RT "Chloroplast DNA phylogeny of tribe Heliantheae (Asteraceae)."; RL Submitted (JAN-2003) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: NDH shuttles electrons from NAD(P)H:plastoquinone, via FMN CC and iron-sulfur (Fe-S) centers, to quinones in the photosynthetic chain CC and possibly in a chloroplast respiratory chain. The immediate electron CC acceptor for the enzyme in this species is believed to be CC plastoquinone. Couples the redox reaction to proton translocation, and CC thus conserves the redox energy in a proton gradient. CC {ECO:0000255|HAMAP-Rule:MF_01351}. CC -!- CATALYTIC ACTIVITY: CC Reaction=a plastoquinone + (n+1) H(+)(in) + NADH = a plastoquinol + n CC H(+)(out) + NAD(+); Xref=Rhea:RHEA:42608, Rhea:RHEA-COMP:9561, CC Rhea:RHEA-COMP:9562, ChEBI:CHEBI:15378, ChEBI:CHEBI:17757, CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:62192; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01351}; CC -!- CATALYTIC ACTIVITY: CC Reaction=a plastoquinone + (n+1) H(+)(in) + NADPH = a plastoquinol + n CC H(+)(out) + NADP(+); Xref=Rhea:RHEA:42612, Rhea:RHEA-COMP:9561, CC Rhea:RHEA-COMP:9562, ChEBI:CHEBI:15378, ChEBI:CHEBI:17757, CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:62192; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01351}; CC -!- COFACTOR: CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01351}; CC Note=Binds 2 [4Fe-4S] clusters per subunit. {ECO:0000255|HAMAP- CC Rule:MF_01351}; CC -!- SUBUNIT: NDH is composed of at least 16 different subunits, 5 of which CC are encoded in the nucleus. {ECO:0000255|HAMAP-Rule:MF_01351}. CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane CC {ECO:0000255|HAMAP-Rule:MF_01351}; Peripheral membrane protein CC {ECO:0000255|HAMAP-Rule:MF_01351}. CC -!- SIMILARITY: Belongs to the complex I 23 kDa subunit family. CC {ECO:0000255|HAMAP-Rule:MF_01351}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AF383813; AAN61754.1; -; Genomic_DNA. DR SMR; Q8HVQ0; -. DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell. DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW. DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:InterPro. DR GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW. DR GO; GO:0019684; P:photosynthesis, light reaction; IEA:UniProtKB-UniRule. DR HAMAP; MF_01351; NDH1_NuoI; 1. DR InterPro; IPR017896; 4Fe4S_Fe-S-bd. DR InterPro; IPR017900; 4Fe4S_Fe_S_CS. DR InterPro; IPR004497; NADH_plast_OxRdtase_su_I. DR InterPro; IPR010226; NADH_quinone_OxRdtase_chainI. DR PANTHER; PTHR47275; PTHR47275; 1. DR Pfam; PF13187; Fer4_9; 1. DR TIGRFAMs; TIGR00403; ndhI; 1. DR TIGRFAMs; TIGR01971; NuoI; 1. DR PROSITE; PS00198; 4FE4S_FER_1; 2. DR PROSITE; PS51379; 4FE4S_FER_2; 2. PE 3: Inferred from homology; KW 4Fe-4S; Chloroplast; Iron; Iron-sulfur; Membrane; Metal-binding; NAD; NADP; KW Plastid; Plastoquinone; Quinone; Repeat; Thylakoid; Translocase. FT CHAIN 1..166 FT /note="NAD(P)H-quinone oxidoreductase subunit I, FT chloroplastic" FT /id="PRO_0000250811" FT DOMAIN 55..84 FT /note="4Fe-4S ferredoxin-type 1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT DOMAIN 95..124 FT /note="4Fe-4S ferredoxin-type 2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 64 FT /note="Iron-sulfur 1 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 67 FT /note="Iron-sulfur 1 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 70 FT /note="Iron-sulfur 1 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 74 FT /note="Iron-sulfur 2 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 104 FT /note="Iron-sulfur 2 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 107 FT /note="Iron-sulfur 2 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 110 FT /note="Iron-sulfur 2 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" FT METAL 114 FT /note="Iron-sulfur 1 (4Fe-4S)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351" SQ SEQUENCE 166 AA; 19509 MW; 51D18659EA31BED7 CRC64; MFPMVTEFMN YGQQTVRAAR YIGQGFMITL SHANRLPVTI QYPYEKLITS ERFRGRIHFE FDKCIACEVC VRVCPIDLPV VDWKLETDIR KKRLLNYSID FGICIFCGNC VEYCPTNCLS MTEEYELSTY DRHELNYNQI ALGRLPMSII DDYTIRTIFN LPEIKT //