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Database: UniProt
Entry: Q4BWA6_CROWT
LinkDB: Q4BWA6_CROWT
Original site: Q4BWA6_CROWT 
ID   Q4BWA6_CROWT            Unreviewed;       120 AA.
AC   Q4BWA6;
DT   13-SEP-2005, integrated into UniProtKB/TrEMBL.
DT   13-SEP-2005, sequence version 1.
DT   24-JAN-2024, entry version 64.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase subunit 3 {ECO:0000256|HAMAP-Rule:MF_01394};
DE            EC=7.1.1.- {ECO:0000256|HAMAP-Rule:MF_01394};
DE   AltName: Full=NAD(P)H dehydrogenase subunit 3 {ECO:0000256|HAMAP-Rule:MF_01394};
DE   AltName: Full=NADH-plastoquinone oxidoreductase subunit 3 {ECO:0000256|HAMAP-Rule:MF_01394};
DE   AltName: Full=NDH-1 subunit 3 {ECO:0000256|HAMAP-Rule:MF_01394};
DE            Short=NDH-C {ECO:0000256|HAMAP-Rule:MF_01394};
DE   Flags: Precursor;
GN   Name=ndhC {ECO:0000256|HAMAP-Rule:MF_01394};
GN   ORFNames=CwatDRAFT_0729 {ECO:0000313|EMBL:EAM48186.1};
OS   Crocosphaera watsonii WH 8501.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC   Chroococcales; Aphanothecaceae; Crocosphaera.
OX   NCBI_TaxID=165597 {ECO:0000313|EMBL:EAM48186.1, ECO:0000313|Proteomes:UP000003922};
RN   [1] {ECO:0000313|EMBL:EAM48186.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM48186.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   DOE Joint Genome Institute;
RL   Submitted (FEB-2004) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:EAM48186.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM48186.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   US DOE Joint Genome Institute (JGI-ORNL);
RA   Larimer F., Land M.;
RT   "Annotation of the draft genome assembly of Crocosphaera watsonii WH
RT   8501.";
RL   Submitted (JUN-2005) to the EMBL/GenBank/DDBJ databases.
RN   [3] {ECO:0000313|EMBL:EAM48186.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM48186.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Richardson P.;
RT   "Sequencing of the draft genome and assembly of Crocosphaera watsonii WH
RT   8501.";
RL   Submitted (JUN-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: NDH-1 shuttles electrons from an unknown electron donor, via
CC       FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory
CC       and/or the photosynthetic chain. The immediate electron acceptor for
CC       the enzyme in this species is believed to be plastoquinone. Couples the
CC       redox reaction to proton translocation, and thus conserves the redox
CC       energy in a proton gradient. Cyanobacterial NDH-1 also plays a role in
CC       inorganic carbon-concentration. {ECO:0000256|HAMAP-Rule:MF_01394}.
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:0000256|HAMAP-Rule:MF_01394};
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:0000256|HAMAP-Rule:MF_01394};
CC   -!- SUBUNIT: NDH-1 can be composed of about 15 different subunits;
CC       different subcomplexes with different compositions have been identified
CC       which probably have different functions. {ECO:0000256|HAMAP-
CC       Rule:MF_01394}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000256|HAMAP-
CC       Rule:MF_01394}; Multi-pass membrane protein {ECO:0000256|HAMAP-
CC       Rule:MF_01394}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 3 family.
CC       {ECO:0000256|ARBA:ARBA00008472, ECO:0000256|HAMAP-Rule:MF_01394}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EAM48186.1}.
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DR   EMBL; AADV02000171; EAM48186.1; -; Genomic_DNA.
DR   RefSeq; WP_007308018.1; NZ_AADV02000171.1.
DR   AlphaFoldDB; Q4BWA6; -.
DR   KEGG; cwa:CwatDRAFT_0729; -.
DR   OrthoDB; 9791970at2; -.
DR   Proteomes; UP000003922; Unassembled WGS sequence.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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   Gene3D; 1.20.58.1610; NADH:ubiquinone/plastoquinone oxidoreductase, chain 3; 1.
DR   HAMAP; MF_01394; NDH1_NuoA; 1.
DR   InterPro; IPR023043; NAD(P)H_OxRDtase_bac/plastid.
DR   InterPro; IPR000440; NADH_UbQ/plastoQ_OxRdtase_su3.
DR   InterPro; IPR038430; NDAH_ubi_oxred_su3_sf.
DR   PANTHER; PTHR11058; NADH-UBIQUINONE OXIDOREDUCTASE CHAIN 3; 1.
DR   PANTHER; PTHR11058:SF9; NADH-UBIQUINONE OXIDOREDUCTASE CHAIN 3; 1.
DR   Pfam; PF00507; Oxidored_q4; 1.
PE   3: Inferred from homology;
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_01394};
KW   NAD {ECO:0000256|HAMAP-Rule:MF_01394};
KW   NADP {ECO:0000256|HAMAP-Rule:MF_01394};
KW   Plastoquinone {ECO:0000256|HAMAP-Rule:MF_01394};
KW   Quinone {ECO:0000256|HAMAP-Rule:MF_01394};
KW   Reference proteome {ECO:0000313|Proteomes:UP000003922};
KW   Thylakoid {ECO:0000256|HAMAP-Rule:MF_01394};
KW   Translocase {ECO:0000256|HAMAP-Rule:MF_01394};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW   Rule:MF_01394};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW   Rule:MF_01394};
KW   Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_01394};
KW   Ubiquinone {ECO:0000313|EMBL:EAM48186.1}.
FT   TRANSMEM        6..25
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
FT   TRANSMEM        62..83
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
FT   TRANSMEM        89..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
SQ   SEQUENCE   120 AA;  13467 MW;  464C5BCE7C68DB7F CRC64;
     MFILNGYEYV LGFLLACSLI PILALTASKI LRPSGGGPER VTTYESGMEP IGGAWIQFNI
     RYYMFALVFV VFDVETVFLY PWAVAFNRLG LLAFVEALVF ISILVVALVY AWRKGALEWS
//
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