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9.B.12.1.2
Membrane peptide of 55 aas, plasma membrane proteolipid 3, Pmp3/Sna1. Plays a role in the regulation of membrane potential, possible by mediating a proton leak (Navarre and Goffeau 2000).

Accession Number:P87284
Protein Name:Plasma membrane proteolipid 3
Length:55
Molecular Weight:6138.00
Species: [4932]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate hydron

Cross database links:

DIP: DIP-7280N
RefSeq: NP_010562.1   
Entrez Gene ID: 851869   
Pfam: PF01679   
KEGG: sce:YDR276C   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0005515 F:protein binding
GO:0006812 P:cation transport
GO:0042391 P:regulation of membrane potential

References (3)

[1] “Membrane hyperpolarization and salt sensitivity induced by deletion of PMP3, a highly conserved small protein of yeast plasma membrane.”  Navarre C.et.al.   10835350
[2] “The nucleotide sequence of Saccharomyces cerevisiae chromosome IV.”  Jacq C.et.al.   9169867
[3] “Approaching a complete repository of sequence-verified protein-encoding clones for Saccharomyces cerevisiae.”  Hu Y.et.al.   17322287

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MDSAKIINII LSLFLPPVAV FLARGWGTDC IVDIILTILA WFPGMLYALY IVLQD