1.B.82.1.1
TGD4 of 479 aas and 19 - 21 putative beta strands in a β-barrel structure (Wang et al. 2013) that may form a porin to transfer lipids from the ER across the outer chloroplast membrane. TGD5 (TC#8.A.86; 91 aas and 2 TMSs) may function to transfer lipids from the ER to TGD4, and then to the TGD123 ABC complex (TC# 3.A.1.27.1.2) in the inner envelope membrane for import into the chloroplast inner membrane or matrix (Fan et al. 2015).
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| Accession Number: | Q9M903 |
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| Protein Name: | Protein TRIGALACTOSYLDIACYLGLYCEROL 4, chloroplastic |
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| Length: | 479 |
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| Molecular Weight: | 52822.00 |
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| Species: | Arabidopsis thaliana (Mouse-ear cress) [3702] |
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| Location1 / Topology2 / Orientation3: |
Plastid1 / Single-pass membrane protein2 |
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| Substrate |
glycerolipid |
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1: MNRMRWVGEG DIWDLDMSTP VTLEGTARAV PDDPLPLGLS RGTRLSRPKQ VEFFHRFMAS
61: PLIPSFSPIR PNTGDGGGGG FSLQRVLTLP FSNNWLVSLL GQFDVQRFVT EIDKTKAFGR
121: GSSSTVASRL NTIGKHLKDK SLYALGFCSE FLLSPDDTLL LSYDAYKGDL DKNPRAKAIF
181: NHEFPLHNLT AEAVWPGLFV DKHGEYWDVP LSMAIDLASL PAESGPSYHL CLHHNSGSPK
241: KLHSDTMEVP PPSLLPGLSL KSAVSYRTNM DLWRGTTPKL ETCKPYDVFL SSPHVAVSGI
301: IGSVMTAAFG ENSIRSKFEN DSEGVGGFSL HFPSVNSGFM ADALGRASLT AQYGNFQKFF
361: FDLTRFHARL DFPHGLRFLT GATSVAQDLL NSRQPSLEAF QKICPEVLVS LQQQIVGPFS
421: FKVESGIEID LRNGANPVTV DKTVFAIEYA LQVLLSAKAV VSYSPKQNEF MVELRFFET