ID   HSP1_RABIT              Reviewed;          50 AA.
AC   P10119;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Sperm protamine P1;
DE   AltName: Full=Cysteine-rich protamine;
GN   Name=PRM1; Synonyms=PRM-1;
OS   Oryctolagus cuniculus (Rabbit).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Lagomorpha; Leporidae; Oryctolagus.
OX   NCBI_TaxID=9986;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-50.
RX   PubMed=3060372; DOI=10.1016/0014-5793(88)80996-7;
RA   Ammer H., Henschen A.;
RT   "Primary structure of rabbit sperm protamine, the first protamine of its
RT   type with an aberrant N-terminal.";
RL   FEBS Lett. 242:111-116(1988).
CC   -!- FUNCTION: Protamines substitute for histones in the chromatin of sperm
CC       during the haploid phase of spermatogenesis. They compact sperm DNA
CC       into a highly condensed, stable and inactive complex.
CC   -!- SUBUNIT: Cross-linked by interchain disulfide bonds around the DNA-
CC       helix. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Nucleus. Chromosome.
CC   -!- TISSUE SPECIFICITY: Testis.
CC   -!- SIMILARITY: Belongs to the protamine P1 family. {ECO:0000305}.
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DR   PIR; S02007; S02007.
DR   AlphaFoldDB; P10119; -.
DR   STRING; 9986.ENSOCUP00000016607; -.
DR   PRIDE; P10119; -.
DR   Ensembl; ENSOCUT00000029676; ENSOCUP00000016607; ENSOCUG00000021894.
DR   GeneTree; ENSGT00950000184850; -.
DR   HOGENOM; CLU_214580_2_0_1; -.
DR   OMA; MARYICC; -.
DR   Proteomes; UP000001811; Chromosome 6.
DR   Bgee; ENSOCUG00000021894; Expressed in blood and 10 other tissues.
DR   GO; GO:0005829; C:cytosol; IEA:Ensembl.
DR   GO; GO:0005654; C:nucleoplasm; IEA:Ensembl.
DR   GO; GO:0000786; C:nucleosome; IEA:UniProtKB-KW.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0030261; P:chromosome condensation; IEA:UniProtKB-KW.
DR   GO; GO:0035092; P:sperm DNA condensation; IEA:InterPro.
DR   InterPro; IPR000221; Protamine_P1.
DR   Pfam; PF00260; Protamine_P1; 1.
DR   PROSITE; PS00048; PROTAMINE_P1; 1.
PE   1: Evidence at protein level;
KW   Chromosome; Developmental protein; Differentiation;
KW   Direct protein sequencing; Disulfide bond; DNA condensation; DNA-binding;
KW   Nucleosome core; Nucleus; Reference proteome; Spermatogenesis.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:3060372"
FT   CHAIN           2..50
FT                   /note="Sperm protamine P1"
FT                   /id="PRO_0000191548"
FT   DISULFID        6
FT                   /note="Interchain (with C-22)"
FT                   /evidence="ECO:0000250|UniProtKB:P02318"
FT   DISULFID        7..15
FT                   /evidence="ECO:0000250|UniProtKB:P02318"
FT   DISULFID        22
FT                   /note="Interchain (with C-6)"
FT                   /evidence="ECO:0000250|UniProtKB:P02318"
FT   DISULFID        38
FT                   /note="Interchain (with C-38)"
FT                   /evidence="ECO:0000250|UniProtKB:P02318"
FT   DISULFID        39..47
FT                   /evidence="ECO:0000250|UniProtKB:P02318"
SQ   SEQUENCE   50 AA;  6787 MW;  48FE0F0091A5DA61 CRC64;
     MVRYRCCRSQ SRSRCRRRRR RCRRRRRRCC QRRRVRKCCR RTYTLRCRRY