ID   YCF48_PROMM             Reviewed;         335 AA.
AC   Q7V4Q3;
DT   13-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Photosystem II assembly lipoprotein Ycf48 {ECO:0000255|HAMAP-Rule:MF_01348};
DE   Flags: Precursor;
GN   Name=ycf48 {ECO:0000255|HAMAP-Rule:MF_01348}; OrderedLocusNames=PMT_1895;
OS   Prochlorococcus marinus (strain MIT 9313).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9313;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
CC   -!- FUNCTION: A factor required for optimal assembly of photosystem II
CC       (PSII), acting in the early stages of PSII assembly. Also plays a role
CC       in replacement of photodamaged D1 (psbA). Assists YidC in synthesis of
CC       chlorophyll-binding proteins. {ECO:0000255|HAMAP-Rule:MF_01348}.
CC   -!- SUBUNIT: Part of early PSII assembly complexes which includes D1 (psbA)
CC       and PsbI; not found in mature PSII. Binds to the lumenal side of PSII
CC       complexes. Interacts with YidC. {ECO:0000255|HAMAP-Rule:MF_01348}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01348}; Lipid-anchor {ECO:0000255|HAMAP-Rule:MF_01348}; Lumenal
CC       side {ECO:0000255|HAMAP-Rule:MF_01348}. Note=Associated with a PSII
CC       precusor complex on the lumenal side of the thylakoid membrane.
CC       {ECO:0000255|HAMAP-Rule:MF_01348}.
CC   -!- DOMAIN: A 7-bladed beta-propeller torus, about 55 by 55 Angstroms, with
CC       a depth of about 25 Angstroms and a central pore. {ECO:0000255|HAMAP-
CC       Rule:MF_01348}.
CC   -!- SIMILARITY: Belongs to the Ycf48 family. {ECO:0000255|HAMAP-
CC       Rule:MF_01348}.
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DR   EMBL; BX548175; CAE22070.1; -; Genomic_DNA.
DR   RefSeq; WP_011131261.1; NC_005071.1.
DR   AlphaFoldDB; Q7V4Q3; -.
DR   SMR; Q7V4Q3; -.
DR   STRING; 74547.PMT_1895; -.
DR   EnsemblBacteria; CAE22070; CAE22070; PMT_1895.
DR   KEGG; pmt:PMT_1895; -.
DR   eggNOG; COG4447; Bacteria.
DR   HOGENOM; CLU_057027_0_0_3; -.
DR   OMA; EGWIAGQ; -.
DR   OrthoDB; 1293876at2; -.
DR   Proteomes; UP000001423; Chromosome.
DR   Gene3D; 2.130.10.10; -; 1.
DR   HAMAP; MF_01348; Ycf48; 1.
DR   InterPro; IPR028203; PSII_CF48-like_dom.
DR   InterPro; IPR015943; WD40/YVTN_repeat-like_dom_sf.
DR   InterPro; IPR016705; Ycf48/Hcf136.
DR   Pfam; PF14870; PSII_BNR; 1.
DR   PIRSF; PIRSF017875; PSII_HCF136; 1.
DR   PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
PE   3: Inferred from homology;
KW   Lipoprotein; Membrane; Palmitate; Photosynthesis; Photosystem II;
KW   Reference proteome; Signal; Thylakoid.
FT   SIGNAL          1..23
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01348"
FT   CHAIN           24..335
FT                   /note="Photosystem II assembly lipoprotein Ycf48"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01348"
FT                   /id="PRO_0000239677"
FT   LIPID           24
FT                   /note="N-palmitoyl cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01348"
FT   LIPID           24
FT                   /note="S-diacylglycerol cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01348"
SQ   SEQUENCE   335 AA;  36463 MW;  586F95877026AB62 CRC64;
     MSRLFSNLFN LLLIAAIGFG LSGCVTSRLP VASTSPWQPL ELNTESNPLD ISFSDANHGF
     VVGTNRLIME SNDGGVSWKK RSLDLEEDEN FRLISIDFNG NEGWIAGQPG LVMHSTDAGK
     NWSRLKLENK LPGDPYLITN LGPNNAELAT NAGAIYRTSD GGTTWKATVS EAAGAVRDLR
     RSAAGNYVSV SSLGNFFSTL DLGQDVWQNH ERVSSKRVQS LGYQPNGELW MVARGAEIRL
     NDQPGNVDSW GKAMIPITNG YNYLDLSWDP NGGIWAAGGN GTLIKTLDDG KSWQIDPMGD
     TQPSNLIRIL FDTSSESQAK GFVLGERGHL LRWVG