ID   P2SAF_GUITH             Reviewed;         395 AA.
AC   Q9AW48;
DT   13-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Photosystem II stability/assembly factor HCF136, chloroplastic;
DE   Flags: Precursor;
GN   Name=hcf136;
OS   Guillardia theta (Cryptophyte) (Cryptomonas phi).
OG   Nucleomorph.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Geminigeraceae; Guillardia.
OX   NCBI_TaxID=55529;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=11323671; DOI=10.1038/35074092;
RA   Douglas S.E., Zauner S., Fraunholz M., Beaton M., Penny S.L., Deng L.-T.,
RA   Wu X., Reith M.E., Cavalier-Smith T., Maier U.-G.;
RT   "The highly reduced genome of an enslaved algal nucleus.";
RL   Nature 410:1091-1096(2001).
CC   -!- FUNCTION: Essential for photosystem II (PSII) biogenesis; required for
CC       assembly of an early intermediate in PSII assembly that includes D2
CC       (psbD) and cytochrome b559. {ECO:0000250|UniProtKB:O82660}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid lumen
CC       {ECO:0000250|UniProtKB:O82660}.
CC   -!- DOMAIN: A 7-bladed beta-propeller torus, about 54 by 55 Angstroms, with
CC       a depth of about 25 Angstroms and a central pore.
CC       {ECO:0000250|UniProtKB:M1VJU3}.
CC   -!- SIMILARITY: Belongs to the Ycf48 family. {ECO:0000305}.
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DR   EMBL; AJ010592; CAC27022.1; -; Genomic_DNA.
DR   PIR; C90108; C90108.
DR   RefSeq; XP_001713238.1; XM_001713186.1.
DR   AlphaFoldDB; Q9AW48; -.
DR   SMR; Q9AW48; -.
DR   GeneID; 857462; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 2.130.10.10; -; 2.
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.
PE   3: Inferred from homology;
KW   Chloroplast; Photosynthesis; Photosystem II; Plastid; Thylakoid;
KW   Transit peptide.
FT   TRANSIT         1..?28
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   TRANSIT         ?29..?66
FT                   /note="Thylakoid"
FT                   /evidence="ECO:0000255"
FT   CHAIN           ?67..395
FT                   /note="Photosystem II stability/assembly factor HCF136,
FT                   chloroplastic"
FT                   /id="PRO_0000239671"
SQ   SEQUENCE   395 AA;  44344 MW;  15ECEE4582FC55AE CRC64;
     MFINSFCLKN LLPVFSKNKT FLLNVKCLSN NKFENHSNFF KINRTKFINY LLYPTLTSLY
     PKFTHANTTS WTKVDLPVDS VLFDIEFTDP ECKHGWLVGS KGTFLETDDG GNTWVPRTFA
     NLDPDEELTY RFENISFEGQ EGWVIGKPAI ILYTKDGGKT WFRVPVSPKL PGEPCLIKAL
     GSESAELTTT SGAIYVTNNA GRNWKAQVKE TIDSTLNRTI SSGVSGASYF TGNVINVIRN
     SEGKYLAISS RGNFYLTWEP GQDFWIPRAR ETSRRIQSMG FIQNDNQKGI WMSTRGGGLS
     VSTKNFDFES ISSFNFENID IKTGGYGILD AAFVNDKDIW IICGGGIVYN STDKGKNWTK
     VDGIDKLSGN LYKIKFVNNN KGFILGSNGL LLRYQ