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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:O49931
Protein Name:Tic55
Length:553
Molecular Weight:62069.00
Species:Pisum sativum (Garden pea) [3888]
Number of TMSs:3
Location1 / Topology2 / Orientation3: Cell outer membrane1
Substrate protein polypeptide chain

Cross database links:

Pfam: PF08417    PF00355   

Gene Ontology

GO:0051537 F:2 iron, 2 sulfur cluster binding
GO:0010277 F:chlorophyllide a oxygenase activity
GO:0046872 F:metal ion binding
GO:0055114 P:oxidation reduction

References (1)

[1] “The chloroplastic protein import machinery contains a Rieske-type iron-sulfur cluster and a mononuclear iron-binding protein.”  Caliebe A.et.al.   9405363

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MALALASANS FLLPTKTHFA LHVSPPPSKK TLLCTNPSSN FSFNKALSSR RRKQAWCVAA 
61:	AADVKDATLL DGEEDQKVLV GPSSEQERKG EREVADYDWT EEWYPLYLTK NVPHDAPLGL 
121:	KVYDKNIVLF RDGNDQFQCY EDRCPHRLAK LSEGQLIDGR LECLYHGWQF EGEGKCVKIP 
181:	QLPADAKIPK SACVKTYEVR DSQGVLWVWM SRKTPPNVSK IPWFENFARP GFQDISTTHE 
241:	LPYDHSILLE NLMDPAHVPI SHDRTDWSAK REDAQALGFE VTERTDRGFA GWWGREKDGS 
301:	KPNFLRFEAP CVLQNNREIV DKNGEINHFS GLFLCRPTGQ GKSMLIVRFG ATKRSPLIKL 
361:	FPEWYFHQNA SKVFEQDMGF LSSQNEILLK EKVPTKELYL NLKSSDTWVA EYRKWMDKVG 
421:	HGMPYHFGHS TISLPEEPAV VEHAPAGLVA GLSASSPAKG GIGTMHAPNL ANRYFRHVIH 
481:	CKGCSSAIKA FQIWKNVLSG VVVALAALAI LVSGRQWKVL LLASASLCSV GVYACSTAIA 
541:	MNTTNFIRVH RRL