※ dbPPT Protein Information

TagContent
UniProt Accession
Theoretical PI
9.06 
Molecular Weight
37956.78 
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Syntaxin-121; AtSYP121; Syntaxin-related protein At-Syr1 
Gene Name
SYP121; SYR1; At3g11820; F26K24.11 
Created Date
2003-02-12 
Organism
Arabidopsis thaliana(Mouse-ear cress) 
NCBI Taxa ID
3702 
Phosphorylation Sites
Position
Peptide
Source
References
190
RTLDRLISTGESERF
dbPPT, P3DB, PhosPhAt
[2, 4, 5, 7, 8]
18
RFRSGEPSPRRDVAG
dbPPT, P3DB, PhosPhAt
[2, 4, 5, 7]
191
TLDRLISTGESERFL
dbPPT, P3DB, PhosPhAt
[4, 5]
263
ESHVGRASSFIRGGT
dbPPT, P3DB, PhosPhAt
[4, 5]
194
RLISTGESERFLQKA
dbPPT, P3DB, PhosPhAt
[4, 5]
275
GGTDQLQTARVYQKN
dbPPT, P3DB, PhosPhAt
[4, 5]
270
SSFIRGGTDQLQTAR
dbPPT, P3DB, PhosPhAt
[4, 5]
264
SHVGRASSFIRGGTD
dbPPT, P3DB, PhosPhAt
[1, 2, 4, 5]
6
**MNDLFSSSFSRFR
dbPPT, P3DB, PhosPhAt
[3]
8
MNDLFSSSFSRFRSG
dbPPT, P3DB, PhosPhAt
[2, 5, 6]
Functional Description
Vesicle trafficking protein that functions in the secretory pathway (By similarity). 
Sequence Annotation
chain 1 346 Syntaxin-121
topological domain 1 285 Cytoplasmic
transmembrane region 286 306 Helical; Anchor for type IV membrane protein;
topological domain 307 346 Vesicular
domain 214 276 t-SNARE coiled-coil homology
coiled-coil region 41 76
compositionally biased region 289 298 Poly-Ile
compositionally biased region 314 327 Gly-rich
modified residue 1 N-acetylmethionine
Keyword
Acetylation,Alternative splicing,Cell membrane,Coiled coil,Complete proteome,Membrane,Protein transport,Reference proteome,Transmembrane,Transmembrane helix,Transport 
Sequence Source
UniProt 
Protein Sequence
MNDLFSSSFS RFRSGEPSPR RDVAGGGDGV QMANPAGSTG GVNLDKFFED VESVKEELKE 60
LDRLNETLSS CHEQSKTLHN AKAVKDLRSK MDGDVGVALK KAKMIKVKLE ALDRANAANR 120
SLPGCGPGSS SDRTRTSVLN GLRKKLMDSM DSFNRLRELI SSEYRETVQR RYFTVTGENP 180
DERTLDRLIS TGESERFLQK AIQEQGRGRV LDTINEIQER HDAVKDIEKN LRELHQVFLD 240
MAVLVEHQGA QLDDIESHVG RASSFIRGGT DQLQTARVYQ KNTRKWTCIA IIILIIIITV 300
VVLAVLKPWN NSSGGGGGGG GGGTTGGSQP NSGTPPNPPQ ARRLLR 346 
Gene Ontology
GO:0009504; C: cell plate; IDA: TAIR
GO:0016021; C: integral component of membrane; IEA: UniProtKB-KW
GO:0005886; C: plasma membrane; IDA: TAIR
GO:0009506; C: plasmodesma; IDA: TAIR
GO:0031201; C: SNARE complex; ISS: TAIR
GO:0005802; C: trans-Golgi network; IDA: TAIR
GO:0043495; F: protein anchor; IDA: TAIR
GO:0005515; F: protein binding; IPI: TAIR
GO:0006952; P: defense response; TAS: TAIR
GO:0050832; P: defense response to fungus; IGI: TAIR
GO:0009867; P: jasmonic acid mediated signaling pathway; IGI: TAIR
GO:0072660; P: maintenance of protein location in plasma membrane; IMP: TAIR
GO:0051245; P: negative regulation of cellular defense response; IGI: TAIR
GO:0031348; P: negative regulation of defense response; IMP: TAIR
GO:0043069; P: negative regulation of programmed cell death; IGI: TAIR
GO:0006612; P: protein targeting to membrane; IDA: TAIR
GO:0072661; P: protein targeting to plasma membrane; IMP: TAIR
GO:0010363; P: regulation of plant-type hypersensitive response; IGI: TAIR
GO:0010119; P: regulation of stomatal movement; IMP: TAIR
GO:0009737; P: response to abscisic acid; IEP: TAIR
GO:0009620; P: response to fungus; IMP: TAIR
GO:0009863; P: salicylic acid mediated signaling pathway; IGI: TAIR
GO:0010148; P: transpiration; IMP: TAIR
GO:0016192; P: vesicle-mediated transport; IEA: InterPro 
Interpro
InterPro; IPR006012; Syntaxin/epimorphin_CS
InterPro; IPR006011; Syntaxin_N
InterPro; IPR010989; t-SNARE
InterPro; IPR000727; T_SNARE_dom
Pfam
Pfam; PF05739; SNARE
Pfam; PF00804; Syntaxin 
SMART
SMART; SM00503; SynN
SMART; SM00397; t_SNARE 
PROSITE
PS00914; SYNTAXIN
PS50192; T_SNARE 
PRINTS