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8.A.76.1.1
TMEM203 of 133 aas and 4 TMSs.  An evolutionarily conserved regulator of cellular calcium homeostasis that is required for spermatogenesis.  It provides a causal link between intracellular calcium regulation and spermiogenesis (Shambharkar et al. 2015).

Accession Number:Q969S6
Protein Name:Transmembrane protein 203
Length:136
Molecular Weight:15760.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:4
Location1 / Topology2 / Orientation3: Endoplasmic reticulum membrane1 / Multi-pass membrane protein2
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MLFSLRELVQ WLGFATFEIF VHLLALLVFS VLLALRVDGL VPGLSWWNVF VPFFAADGLS 
61:	TYFTTIVSVR LFQDGEKRLA VLRLFWVLTV LSLKFVFEML LCQKLAEQTR ELWFGLITSP 
121:	LFILLQLLMI RACRVN