Identification
HMDB Protein ID CDBP02584
Secondary Accession Numbers Not Available
Name Transmembrane protein 55B
Description Not Available
Synonyms
  1. PtdIns-4,5-P2 4-Ptase I
  2. Type I phosphatidylinositol 4,5-bisphosphate 4-phosphatase
Gene Name TMEM55B
Protein Type Enzyme
Biological Properties
General Function Involved in hydrolase activity
Specific Function Catalyzes the hydrolysis of the 4-position phosphate of phosphatidylinositol 4,5-bisphosphate. Does not hydrolyze phosphatidylinositol 3,4,5-trisphosphate, phosphatidylinositol 3,4-bisphosphate, inositol 3,5-bisphosphate, inositol 3,4-bisphosphate, phosphatidylinositol 5-monophosphate, phosphatidylinositol 4-monophosphate and phosphatidylinositol 3-monophosphate.
GO Classification
Cellular Component
late endosome membrane
lysosomal membrane
integral to membrane
Molecular Function
hydrolase activity
Cellular Location
  1. Late endosome membrane
  2. Lysosome membrane
  3. Multi-pass membrane protein
  4. Multi-pass membrane protein
Pathways
Gene Properties
Chromosome Location 14
Locus 14q11.2
SNPs TMEM55B
Gene Sequence
>834 bp
ATGGCGGCAGATGGAGAGCGTTCCCCGCTGCTGTCTGAGCCCATCGACGGTGGCGCGGGC
GGCAACGGTTTAGTGGGGCCCGGCGGGAGTGGGGCTGGGCCCGGGGGAGGCCTGACCCCC
TCCGCACCACCGTACGGAGCCGCATTTCCCCCGTTTCCCGAGGGGCATCCAGCCGTGTTG
CCTGGGGAGGACCCACCCCCCTATTCACCCTTAACTAGCCCGGACAGTGGGAGTGCCCCT
ATGATCACCTGCCGAGTCTGCCAATCTCTCATCAACGTGGAAGGCAAGATGCATCAGCAT
GTAGTCAAATGTGGTGTCTGCAATGAAGCCACCCCAATCAAGAATGCACCCCCAGGGAAA
AAATATGTTCGATGCCCCTGTAACTGTCTCCTTATCTGCAAAGTGACATCCCAACGGATT
GCATGCCCTCGGCCCTACTGCAAAAGAATCATCAACCTGGGGCCTGTGCATCCCGGACCT
CTGAGTCCAGAACCCCAACCCATGGGTGTCAGGGTTATCTGTGGACATTGCAAGAATACT
TTTCTGTGGACAGAGTTCACAGACCGCACTTTGGCACGTTGTCCTCACTGCAGGAAAGTG
TCATCTATTGGGCGCAGATACCCACGTAAGAGATGTATCTGCTGCTTCTTGCTTGGCTTG
CTTTTGGCAGTCACTGCCACTGGCCTTGCCTTTGGCACATGGAAGCATGCACGGCGATAT
GGAGGCATCTATGCAGCCTGGGCATTTGTCATCCTGTTGGCTGTGCTGTGTTTGGGCCGG
GCTCTTTATTGGGCCTGTATGAAGGTCAGCCACCCTGTCCAGAACTTCTCCTGA
Protein Properties
Number of Residues 277
Molecular Weight 30185.125
Theoretical pI 8.98
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Transmembrane protein 55B
MAADGERSPLLSEPIDGGAGGNGLVGPGGSGAGPGGGLTPSAPPYGAAFPPFPEGHPAVL
PGEDPPPYSPLTSPDSGSAPMITCRVCQSLINVEGKMHQHVVKCGVCNEATPIKNAPPGK
KYVRCPCNCLLICKVTSQRIACPRPYCKRIINLGPVHPGPLSPEPQPMGVRVICGHCKNT
FLWTEFTDRTLARCPHCRKVSSIGRRYPRKRCICCFLLGLLLAVTATGLAFGTWKHARRY
GGIYAAWAFVILLAVLCLGRALYWACMKVSHPVQNFS
GenBank ID Protein 189054212
UniProtKB/Swiss-Prot ID Q86T03
UniProtKB/Swiss-Prot Entry Name TM55B_HUMAN
PDB IDs Not Available
GenBank Gene ID AK314021
GeneCard ID TMEM55B
GenAtlas ID TMEM55B
HGNC ID HGNC:19299
References
General References Not Available