ID   PSBN_HYPCP              Reviewed;          43 AA.
AC   Q71P68;
DT   21-DEC-2004, integrated into UniProtKB/Swiss-Prot.
DT   21-DEC-2004, sequence version 2.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=Protein PsbN {ECO:0000255|HAMAP-Rule:MF_00293};
GN   Name=psbN {ECO:0000255|HAMAP-Rule:MF_00293};
OS   Hypnum cupressiforme (Cypress-leaved plait-moss).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Bryophyta;
OC   Bryophytina; Bryopsida; Bryidae; Hypnanae; Hypnales; Hypnaceae; Hypnum.
OX   NCBI_TaxID=53011;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Huttunen S., Ignatov M.S.;
RT   "Phylogeny of moss family Brachytheciaceae based on morphological and
RT   molecular trnL-F, ITS2 and psbT-H data.";
RL   Submitted (SEP-2001) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: May play a role in photosystem I and II biogenesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00293}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00293}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00293}.
CC   -!- SIMILARITY: Belongs to the PsbN family. {ECO:0000255|HAMAP-
CC       Rule:MF_00293}.
CC   -!- CAUTION: Originally thought to be a component of PSII; based on
CC       experiments in Synechocystis, N.tabacum and barley, and its absence
CC       from PSII in T.elongatus and T.vulcanus, this is probably not true.
CC       {ECO:0000255|HAMAP-Rule:MF_00293}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAQ03662.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AF417361; AAQ03662.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; Q71P68; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:InterPro.
DR   HAMAP; MF_00293; PSII_PsbN; 1.
DR   InterPro; IPR003398; PSII_PsbN.
DR   PANTHER; PTHR35326; PTHR35326; 1.
DR   Pfam; PF02468; PsbN; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Plastid; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..43
FT                   /note="Protein PsbN"
FT                   /id="PRO_0000207910"
FT   TRANSMEM        5..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00293"
SQ   SEQUENCE   43 AA;  4815 MW;  6CC9F6F28609F202 CRC64;
     METATLVAIF ISCSLVSFTG YALYTAFGQP SKELRDPFEE HED