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8.A.214.1.1
CATSPERtheta (TMEM249) of 235 aas with two TMSs at residues 70 and 100.  This subunit seems to be involved in CATSPER assembly (Huang et al. 2023). See family description for details.

Accession Number:Q2WGJ8
Protein Name:Cation channel sperm-associated auxiliary subunit TMEM249
Length:235
Molecular Weight:27046.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Cell projection1 / Multi-pass membrane protein2
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MPKGRAGSLP TTSIGWRFQL WFLGLTCPER HLARRLKNNS FYPFVQQEPN VFVLEYYLDT 
61:	LWKGMLLFII SVVLVSFSSL REVQKQETWV FLVYGVGVGL WLVISSLPRR RLVLNHTRGV 
121:	YHFSIQGRTV CQGPLHLVYV RLALSSDAHG RCFFHLVLGG HRLEPLVLVQ LSEHYEQMEY 
181:	LGRYIARKLN INYFDYLATS YRHVVRHWPP PGAGTVMGKS PMGHKPSSSQ SSLEV