MTPAP, Official Symbol MTPAPprovided by HGNC Official Full Name mitochondrial poly(A) polymeraseprovided by HGNC Primary source HGNC:HGNC:25532 See related Ensembl:ENSG00000107951 MIM:613669; AllianceGenome:HGNC:25532 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as PAPD1; SPAX4; TENT6 Summary The protein encoded by this gene is a member of the DNA polymerase type-B-like family. This enzyme synthesizes the 3' poly(A) tail of mitochondrial transcripts and plays a role in replication-dependent histone mRNA degradation.[provided by RefSeq, Jan 2011] Expression Ubiquitous expression in bone marrow (RPKM 4.8), testis (RPKM 4.4) and 25 other tissues See more Orthologs mouse all