Names & Taxonomy

Uniprot ID:
Q8NHX9
Entry Name:
TPC2_HUMAN
Status:
reviewed
Protein Names:
Two pore calcium channel protein 2 (Voltage-dependent calcium channel protein TPC2)
Gene Names:
TPCN2 TPC2
Gene Names Primary:
TPCN2
Organism:
Homo sapiens (Human)

Structure

Length:
752
Sequence:
MAEPQAESEPLLGGARGGGGDWPAGLTTYRSIQVGPGAAARWDLCIDQAVVFIEDAIQYRSINHRVDASSMWLYRRYYSNVCQRTLSFTIFLILFLAFIETPSSLTSTADVRYRAAPWEPPCGLTESVEVLCLLVFAADLSVKGYLFGWAHFQKNLWLLGYLVVLVVSLVDWTVSLSLVCHEPLRIRRLLRPFFLLQNSSMMKKTLKCIRWSLPEMASVGLLLAIHLCLFTMFGMLLFAGGKQDDGQDRERLTYFQNLPESLTSLLVLLTTANNPDVMIPAYSKNRAYAIFFIVFTVIGSLFLMNLLTAIIYSQFRGYLMKSLQTSLFRRRLGTRAAFEVLSSMVGEGGAFPQAVGVKPQNLLQVLQKVQLDSSHKQAMMEKVRSYGSVLLSAEEFQKLFNELDRSVVKEHPPRPEYQSPFLQSAQFLFGHYYFDYLGNLIALANLVSICVFLVLDADVLPAERDDFILGILNCVFIVYYLLEMLLKVFALGLRGYLSYPSNVFDGLLTVVLLVLEISTLAVYRLPHPGWRPEMVGLLSLWDMTRMLNMLIVFRFLRIIPSMKLMAVVASTVLGLVQNMRAFGGILVVVYYVFAIIGINLFRGVIVALPGNSSLAPANGSAPCGSFEQLEYWANNFDDFAAALVTLWNLMVVNNWQVFLDAYRRYSGPWSKIYFVLWWLVSSVIWVNLFLALILENFLHKWDPRSHLQPLAGTPEATYQMTVELLFRDILEEPGEDELTERLSQHPHLWLCR
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Lysosome membrane
Intramembrane:
INTRAMEM 255 279 Helical; Pore-forming.

Function

Function:
Nicotinic acid adenine dinucleotide phosphate (NAADP) receptor that may function as one of the major voltage-gated Ca(2+) channels (VDCC) across the lysosomal membrane. May be involved in smooth muscle contraction.
Gene Ontology Go:
endosome membrane
integral component of membrane
lysosomal membrane
lysosome
plasma membrane
identical protein binding
NAADP-sensitive calcium-release channel activity
protein kinase binding
voltage-gated calcium channel activity
calcium-mediated signaling
cellular calcium ion homeostasis
ion transmembrane transport
lysosome organization
membrane depolarization during action potential
regulation of autophagy
response to vitamin D
smooth muscle contraction
transmembrane transport
Gene Ontology Biological Process:
calcium-mediated signaling
cellular calcium ion homeostasis
ion transmembrane transport
lysosome organization
membrane depolarization during action potential
regulation of autophagy
response to vitamin D
smooth muscle contraction
transmembrane transport
Gene Ontology Molecular Function:
identical protein binding
NAADP-sensitive calcium-release channel activity
protein kinase binding
voltage-gated calcium channel activity
Gene Ontology Cellular Component:
endosome membrane
integral component of membrane
lysosomal membrane
lysosome
plasma membrane
Keywords:
Calcium
Calcium channel
Calcium transport
Complete proteome
Glycoprotein
Ion channel
Ion transport
Lysosome
Membrane
Polymorphism
Reference proteome
Repeat
Transmembrane
Transmembrane helix
Transport
Voltage-gated channel
Interacts With:
Itself; O00165; P42345; Q9ULQ1

Publication

PubMed ID:
19387438 16554811 15489334 17974005 19620632 22012985 18488028