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8.A.91.1.7
Syntaxin-121 of 346 aas and 1 C-terminal TMS. It is a vesicle trafficking protein that functions in the secretory pathway. It is a plasma membrane (PM)-resident syntaxin-like Q-SNARE, that interacts with QUIRKY (QKY; TC# 9.A.57.1.7), a member of the family of multiple C2 domain and transmembrane region proteins (MCTPs), to mediate FLOWERING LOCUS T transport (Liu et al. 2019).  

Accession Number:Q9ZSD4
Protein Name:Syntaxin-121
Length:346
Molecular Weight:37957.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell membrane1 / Single-pass type IV membrane protein2
Substrate

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FASTA formatted sequence
1:	MNDLFSSSFS RFRSGEPSPR RDVAGGGDGV QMANPAGSTG GVNLDKFFED VESVKEELKE 
61:	LDRLNETLSS CHEQSKTLHN AKAVKDLRSK MDGDVGVALK KAKMIKVKLE ALDRANAANR 
121:	SLPGCGPGSS SDRTRTSVLN GLRKKLMDSM DSFNRLRELI SSEYRETVQR RYFTVTGENP 
181:	DERTLDRLIS TGESERFLQK AIQEQGRGRV LDTINEIQER HDAVKDIEKN LRELHQVFLD 
241:	MAVLVEHQGA QLDDIESHVG RASSFIRGGT DQLQTARVYQ KNTRKWTCIA IIILIIIITV 
301:	VVLAVLKPWN NSSGGGGGGG GGGTTGGSQP NSGTPPNPPQ ARRLLR