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1.I.2.1.1
Recognized or proposed constituents or associated constituents of the plant plasmodesmata. CX32 is a transmembrane protein with 2 TMSs that contains a protein kinase domain (Maule, 2008). Formins 1 (Q9SE97) and 2 (O22824) are believed to regulate the plasmodesmata's permeability by capping, anchoring and stabilizing actin filaments that are localized to it (Diao et al. 2018). Formins are large proteins (~900 to 1,100 aas) with 2 or 3 N-terminal TMSs.

Accession Number:Q6NM73
Protein Name:Cysteine-rich repeat secretory protein 3
Length:307
Molecular Weight:32764.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Secreted1
Substrate molecule

Cross database links:

Entrez Gene ID: 839502   
Pfam: PF01657   
KEGG: ath:AT1G04520    ath:AT1G04520   

Gene Ontology

GO:0005576 C:extracellular region
GO:0009506 C:plasmodesma
GO:0010497 P:plasmodesmata-mediated intercellular transport

References (4)

[1] “Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.”  Theologis A.et.al.   11130712
[2] “A superfamily of proteins with novel cysteine-rich repeats.”  Chen Z.et.al.   11402176
[3] “Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.”  Theologis A.et.al.   11130712
[4] “A superfamily of proteins with novel cysteine-rich repeats.”  Chen Z.et.al.   11402176

External Searches:

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MGLSISFLSI IMMMCLLFPD LNVVVKSATT EYTTLIYKGC ARQQFSDPSG LYSQALSAMF 
61:	GSLVSQSTKT RFYKTTTGTS TTTITGLFQC RGDLSNHDCY NCVSRLPVLS DKLCGKTIAS 
121:	RVQLSGCYLL YEVSGFSQIS GMEMLFKTCG KNNIAGTGFE ERRDTAFGVM QNGVVSGHGF 
181:	YATTYESVYV LGQCEGDVGD TDCSGCVKNA LEKAQVECGS SISGQIYLHK CFIAYSYYPN 
241:	GVPRRSSSSS SSSSSSSSGS SNSDPSTSTG ATGKTVAIIV GGAAGVGFLV ICLLFAKNLM 
301:	RKKHDDY