TNP1, Official Symbol TNP1provided by HGNC Official Full Name transition protein 1provided by HGNC Primary source HGNC:HGNC:11951 See related Ensembl:ENSG00000118245 MIM:190231; AllianceGenome:HGNC:11951 Gene type protein coding RefSeq status VALIDATED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as TP1 Summary Transition protein-1 is a spermatid-specific product of the haploid genome which replaces histone and is itself replaced in the mature sperm by the protamines (see PRM1, MIM 182880; PRM2, MIM 182890) (Luerssen et al., 1990 [PubMed 2249851]).[supplied by OMIM, Mar 2008] Expression Restricted expression toward testis (RPKM 903.2) See more Orthologs mouse all