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8.A.107.1.1
ATP6AP1 (ATP6IP1, ATP6S1, VATPS1), an accesory protein that functions in a complex with ATP6AP2 to facilitate assembly of V-type ATPases in eukaryotes (Guida et al. 2018).

Accession Number:Q15904
Protein Name:V-type proton ATPase subunit S1
Length:470
Molecular Weight:52026.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Endoplasmic reticulum membrane1 / Single-pass membrane protein2
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MMAAMATARV RMGPRCAQAL WRMPWLPVFL SLAAAAAAAA AEQQVPLVLW SSDRDLWAPA 
61:	ADTHEGHITS DLQLSTYLDP ALELGPRNVL LFLQDKLSIE DFTAYGGVFG NKQDSAFSNL 
121:	ENALDLAPSS LVLPAVDWYA VSTLTTYLQE KLGASPLHVD LATLRELKLN ASLPALLLIR 
181:	LPYTASSGLM APREVLTGND EVIGQVLSTL KSEDVPYTAA LTAVRPSRVA RDVAVVAGGL 
241:	GRQLLQKQPV SPVIHPPVSY NDTAPRILFW AQNFSVAYKD QWEDLTPLTF GVQELNLTGS 
301:	FWNDSFARLS LTYERLFGTT VTFKFILANR LYPVSARHWF TMERLEVHSN GSVAYFNASQ 
361:	VTGPSIYSFH CEYVSSLSKK GSLLVARTQP SPWQMMLQDF QIQAFNVMGE QFSYASDCAS 
421:	FFSPGIWMGL LTSLFMLFIF TYGLHMILSL KTMDRFDDHK GPTISLTQIV