ID A0A255Z000_9PROT Unreviewed; 320 AA.
AC A0A255Z000;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 16.
DE RecName: Full=Reaction center protein M chain {ECO:0000256|ARBA:ARBA00018761, ECO:0000256|RuleBase:RU364137};
DE AltName: Full=Photosynthetic reaction center M subunit {ECO:0000256|ARBA:ARBA00031893, ECO:0000256|RuleBase:RU364137};
GN ORFNames=CHU95_12535 {ECO:0000313|EMBL:OYQ34264.1};
OS Niveispirillum lacus.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Azospirillaceae; Niveispirillum.
OX NCBI_TaxID=1981099 {ECO:0000313|EMBL:OYQ34264.1, ECO:0000313|Proteomes:UP000216998};
RN [1] {ECO:0000313|EMBL:OYQ34264.1, ECO:0000313|Proteomes:UP000216998}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TH1-14 {ECO:0000313|Proteomes:UP000216998};
RA Cai H.;
RT "Niveispirillum cyanobacteriorum sp. nov., isolated from cyanobacterial
RT aggregates in a eutrophic lake.";
RL Submitted (JUL-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The reaction center is a membrane-bound complex that mediates
CC the initial photochemical event in the electron transfer process of
CC photosynthesis. {ECO:0000256|ARBA:ARBA00002611,
CC ECO:0000256|RuleBase:RU364137}.
CC -!- SUBUNIT: Reaction center is composed of four bacteriochlorophylls, two
CC bacteriopheophytins, two ubiquinones, one iron, and highly hydrophobic
CC polypeptide chains. {ECO:0000256|RuleBase:RU364137}.
CC -!- SUBCELLULAR LOCATION: Cellular chromatophore membrane
CC {ECO:0000256|RuleBase:RU364137}; Multi-pass membrane protein
CC {ECO:0000256|RuleBase:RU364137}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the reaction center PufL/M/PsbA/D family.
CC {ECO:0000256|ARBA:ARBA00008204, ECO:0000256|RuleBase:RU004331}.
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:OYQ34264.1}.
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DR EMBL; NOXU01000029; OYQ34264.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A255Z000; -.
DR OrthoDB; 8555181at2; -.
DR Proteomes; UP000216998; Unassembled WGS sequence.
DR GO; GO:0030077; C:plasma membrane light-harvesting complex; IEA:InterPro.
DR GO; GO:0042717; C:plasma membrane-derived chromatophore membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0042314; F:bacteriochlorophyll binding; IEA:UniProtKB-KW.
DR GO; GO:0045156; F:electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009772; P:photosynthetic electron transport in photosystem II; IEA:InterPro.
DR CDD; cd09291; Photo-RC_M; 1.
DR Gene3D; 1.20.85.10; Photosystem II protein D1-like; 2.
DR InterPro; IPR036854; Photo_II_D1/D2_sf.
DR InterPro; IPR000484; Photo_RC_L/M.
DR InterPro; IPR005781; Photo_RC_M.
DR NCBIfam; TIGR01115; pufM; 1.
DR Pfam; PF00124; Photo_RC; 1.
DR PRINTS; PR00256; REACTNCENTRE.
DR SUPFAM; SSF81483; Bacterial photosystem II reaction centre, L and M subunits; 1.
DR PROSITE; PS00244; REACTION_CENTER; 1.
PE 3: Inferred from homology;
KW Bacteriochlorophyll {ECO:0000256|ARBA:ARBA00022956,
KW ECO:0000256|RuleBase:RU364137};
KW Chlorophyll {ECO:0000256|ARBA:ARBA00022494, ECO:0000256|RuleBase:RU364137};
KW Chromophore {ECO:0000256|ARBA:ARBA00022991, ECO:0000256|RuleBase:RU364137};
KW Electron transport {ECO:0000256|RuleBase:RU364137};
KW Iron {ECO:0000256|RuleBase:RU364137};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU364137};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU364137};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU364137};
KW Photosynthesis {ECO:0000256|ARBA:ARBA00022531,
KW ECO:0000256|RuleBase:RU364137};
KW Reaction center {ECO:0000256|ARBA:ARBA00022469,
KW ECO:0000256|RuleBase:RU364137};
KW Reference proteome {ECO:0000313|Proteomes:UP000216998};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU364137};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|RuleBase:RU364137}; Transport {ECO:0000256|RuleBase:RU364137}.
FT TRANSMEM 52..73
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU364137"
FT TRANSMEM 114..135
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU364137"
FT TRANSMEM 147..168
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU364137"
FT TRANSMEM 205..227
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU364137"
FT TRANSMEM 269..292
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU364137"
SQ SEQUENCE 320 AA; 35848 MW; 783BE55318D21E83 CRC64;
MAQYQNIITP IQVSGPAEEG MPLPRGDSPR TGEPFFVRLF GMIGNAQIGP IYLGYLGTLS
LVFGFIGFEI IGLNMLASVG WDPIEFVRQL FWLGLEPPAA KYGLTVLPPL AEGGWWLIAG
FFLTLSILLW WVRVYRRARQ LEMGTHVAWA FAAAIWLFLV LGFIRPLLMG NFSEAVPFGI
FPHLDWTAAF SIRYGNLYYN PFHCLSIVFL YGSVLLFAMH GATILAVGKY GGERELEQIT
DRGTASERAA LFWRWTMGFN ATMESVHRWA WWFAILTPLT GGIGILLTGT VVDNWYLWGV
NHGLVSPLPD LWPNVVDPAQ
//
