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3.A.9.1.1
Chloroplast envelope protein translocase (CEPT); outer membrane complex. The Tic20-like protein (acc # AUO68237.1; 413 aas, 6 TMSs in a 1 TMS (N-terminal) + 5 TMSs (C-terminal)), of the lower brown alga, Saccharina japonica, has been characterized (Chen et al. 2019).  The melon necrotic spot virus coat protein exploits the common Toc/Tom import systems to enter both mitochondria and chloroplasts (Sáiz-Bonilla et al. 2023).

Accession Number:Q9MUK5
Protein Name:Toc64 aka IAP64
Length:593
Molecular Weight:64498.00
Species:Pisum sativum (Garden pea) [3888]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Cell outer membrane1
Substrate protein polypeptide chain

Cross database links:

Pfam: PF01425    PF00515    PF07719   

Gene Ontology

GO:0009507 C:chloroplast
GO:0016884 F:carbon-nitrogen ligase activity, with gluta...
GO:0005515 F:protein binding

References (1)

[1] “Toc64, a new component of the protein translocon of chloroplasts.”  Sohrt K.et.al.   10725334

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MKSMASPSSQ IWVILGLGLA GIYVLTRKLT QAVKEDFGAF LLKLKLLPPP PPAPPKAPHP 
61:	LSSLNFAISD IFDIEGHVST FGHPEWARTH EPASSTASAV SALVESGATC IGTTVVDELA 
121:	YGISGENKHF GTPTNPAVPN RVPGGSSSGA AVAVAANFVD FSLGVDTSGG VRVPAGFCGI 
181:	LGFRPSHGAV SHVGIIPVST SLDTVGWFAK DPDVLRRVGH ILLQAPFVMQ RNPRQIIIAD 
241:	DCFQHLNVPL DRTSQVVIKA TEKLFGKQVL KHINFEDYIS SKVSSLKACS IQKSNGVLKS 
301:	SSLKLLANVM QSLQRHEFEH THSEWMSIVK PDLHPAVSAQ LHEKFEVSEL EIENSKSVRS 
361:	ELRVAVNSLL KDEGVLVIPT VADPPPKLGG KEFLSHDYQS RALSLLSIAS ISGCCQVTVP 
421:	LGFFDKNPVS VSLIARHGGD RFLLDTLKTM YTVLQEQADI AAPSKSSKSV VSKEQSAEIS 
481:	KEKGNQAYKD KQWQKAIGFY TEAIKLCGNN ATYYSNRAQA YLELGSYLQA EEDCTTAISF 
541:	DKKNVKAYFR RGTAREMLGY YKEAIDDFKY ALVLEPTNKR AASSAERLRK LFQ