TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


9.A.79.1.1
The phospholipid flippase (scramblase), Atg9, of 997 aas and 6 - 8 TMSs, possibly in a 2 + 2 + 2 + 2 TMS arrangement. See family description for details (Nakao and Nakano 2022).

Accession Number:Q12142
Protein Name:Autophagy-related protein 9
Length:997
Molecular Weight:115403.00
Species:Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) [559292]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Preautophagosomal structure membrane1 / Multi-pass membrane protein2
Substrate phospholipid, phosphatidylcholine(1+), phosphatidyl-L-serine, phosphatidylinositol 4-phosphate

Cross database links:

DIP: DIP-1938N DIP-1938N DIP-1938N DIP-1938N DIP-1938N
Entrez Gene ID: 851406   
Pfam: PF04109   
KEGG: sce:YDL149W   

Gene Ontology

GO:0030659 C:cytoplasmic vesicle membrane
GO:0016021 C:integral to membrane
GO:0005624 C:membrane fraction
GO:0005739 C:mitochondrion
GO:0034045 C:pre-autophagosomal structure membrane
GO:0000045 P:autophagic vacuole assembly
GO:0032258 P:CVT pathway
GO:0000422 P:mitochondrion degradation
GO:0034727 P:piecemeal microautophagy of nucleus
GO:0051260 P:protein homooligomerization

References (19)

[1] “Analysis of a 23 kb region on the left arm of yeast chromosome IV.”  Delaveau T.T.D.et.al.   8972581
[2] “The nucleotide sequence of Saccharomyces cerevisiae chromosome IV.”  Jacq C.et.al.   9169867
[3] “Isolation and characterization of autophagy-defective mutants of Saccharomyces cerevisiae.”  Tsukada M.et.al.   8224160
[4] “Isolation and characterization of yeast mutants in the cytoplasm to vacuole protein targeting pathway.”  Harding T.M.et.al.   7593182
[5] “Genetic and phenotypic overlap between autophagy and the cytoplasm to vacuole protein targeting pathway.”  Harding T.M.et.al.   8663607
[6] “Autophagy and the cvt pathway both depend on AUT9.”  Lang T.et.al.   10735854
[7] “Apg9p/Cvt7p is an integral membrane protein required for transport vesicle formation in the Cvt and autophagy pathways.”  Noda T.et.al.   10662773
[8] “The pre-autophagosomal structure organized by concerted functions of APG genes is essential for autophagosome formation.”  Suzuki K.et.al.   11689437
[9] “Apg2 is a novel protein required for the cytoplasm to vacuole targeting, autophagy, and pexophagy pathways.”  Wang C.-W.et.al.   11382760
[10] “A unified nomenclature for yeast autophagy-related genes.”  Klionsky D.J.et.al.   14536056
[11] “Atg23 is essential for the cytoplasm to vacuole targeting pathway and efficient autophagy but not pexophagy.”  Tucker K.A.et.al.   14504273
[12] “The Atg1-Atg13 complex regulates Atg9 and Atg23 retrieval transport from the pre-autophagosomal structure.”  Reggiori F.et.al.   14723849
[13] “Atg9 cycles between mitochondria and the pre-autophagosomal structure in yeasts.”  Reggiori F.et.al.   16874040
[14] “Recruitment of Atg9 to the preautophagosomal structure by Atg11 is essential for selective autophagy in budding yeast.”  He C.et.al.   17178909
[15] “A global topology map of the Saccharomyces cerevisiae membrane proteome.”  Kim H.et.al.   16847258
[16] “Atg9 trafficking in autophagy-related pathways.”  He C.et.al.   17329962
[17] “Self-interaction is critical for Atg9 transport and function at the phagophore assembly site during autophagy.”  He C.et.al.   18829864
[18] “A multidimensional chromatography technology for in-depth phosphoproteome analysis.”  Albuquerque C.P.et.al.   18407956
[19] “Atg17 recruits Atg9 to organize the pre-autophagosomal structure.”  Sekito T.et.al.   19371383

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MERDEYQLPN SHGKNTFLSR IFGLQSDEVN PSLNSQEMSN FPLPDIERGS SLLHSTNDSR 
61:	EDVDENDLRV PESDQGTSTE EEDEVDEEQV QAYAPQISDG LDGDHQLNSV TSKENVLETE 
121:	KSNLERLVEG STDDSVPKVG QLSSEEEEDN EFINNDGFDD DTPLFQKSKI HEFSSKKSNT 
181:	IEDGKRPLFF RHILQNNRPQ RDTQKLFTSS NAIHHDKDKS ANNGPRNING NQKHGTKYFG 
241:	SATQPRFTGS PLNNTNRFTK LFPLRKPNLL SNISVLNNTP EDRINTLSVK ERALWKWANV 
301:	ENLDIFLQDV YNYYLGNGFY CIILEKILNI CTLLFVVFVS TYMGHCVDYS KLPTSHRVSD 
361:	IIIDKCYSNS ITGFTKFFLW MFYFFVILKI VQLYFDVQKL SELQNFYKYL LNISDDELQT 
421:	LPWQNVIQQL MYLKDQNAMT ANVVEVKAKN RIDAHDVANR IMRRENYLIA LYNSDILNLS 
481:	LPIPLFRTNV LTKTLEWNIN LCVMGFVFNE SGFIKQSILK PSQREFTREE LQKRFMLAGF 
541:	LNIILAPFLV TYFVLLYFFR YFNEYKTSPG SIGARQYTPI AEWKFREYNE LYHIFKKRIS 
601:	LSTTLANKYV DQFPKEKTNL FLKFVSFICG SFVAILAFLT VFDPENFLNF EITSDRSVIF 
661:	YITILGAIWS VSRNTITQEY HVFDPEETLK ELYEYTHYLP KEWEGRYHKE EIKLEFCKLY 
721:	NLRIVILLRE LTSLMITPFV LWFSLPSSAG RIVDFFRENS EYVDGLGYVC KYAMFNMKNI 
781:	DGEDTHSMDE DSLTKKIAVN GSHTLNSKRR SKFTAEDHSD KDLANNKMLQ SYVYFMDDYS 
841:	NSENLTGKYQ LPAKKGYPNN EGDSFLNNKY SWRKQFQPGQ KPELFRIGKH ALGPGHNISP 
901:	AIYSTRNPGK NWDNNNNGDD IKNGTNNATA KNDDNNGNND HEYVLTESFL DSGAFPNHDV 
961:	IDHNKMLNSN YNGNGILNKG GVLGLVKEYY KKSDVGR