UniProt ID | SLA1_YEAST | |
---|---|---|
UniProt AC | P32790 | |
Protein Name | Actin cytoskeleton-regulatory complex protein SLA1 | |
Gene Name | SLA1 | |
Organism | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast). | |
Sequence Length | 1244 | |
Subcellular Localization |
Nucleus. Cell membrane Peripheral membrane protein Cytoplasmic side. Endosome membrane Peripheral membrane protein Cytoplasmic side. Cytoplasm, cytoskeleton, actin patch. Cytoplasmic and cortical actin patches. Is associated with cortical actin p |
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Protein Description | Component of the PAN1 actin cytoskeleton-regulatory complex required for the internalization of endosomes during actin-coupled endocytosis. The complex links the site of endocytosis to the cell membrane-associated actin cytoskeleton. Mediates uptake of external molecules and vacuolar degradation of plasma membrane proteins. Plays a role in the proper organization of the cell membrane-associated actin cytoskeleton and promotes its destabilization.. | |
Protein Sequence | MTVFLGIYRAVYAYEPQTPEELAIQEDDLLYLLQKSDIDDWWTVKKRVIGSDSEEPVGLVPSTYIEEAPVLKKVRAIYDYEQVQNADEELTFHENDVFDVFDDKDADWLLVKSTVSNEFGFIPGNYVEPENGSTSKQEQAPAAAEAPAATPAAAPASAAVLPTNFLPPPQHNDRARMMQSKEDQAPDEDEEGPPPAMPARPTATTETTDATAAAVRSRTRLSYSDNDNDDEEDDYYYNSNSNNVGNHEYNTEYHSWNVTEIEGRKKKKAKLSIGNNKINFIPQKGTPHEWSIDKLVSYDNEKKHMFLEFVDPYRSLELHTGNTTTCEEIMNIIGEYKGASRDPGLREVEMASKSKKRGIVQYDFMAESQDELTIKSGDKVYILDDKKSKDWWMCQLVDSGKSGLVPAQFIEPVRDKKHTESTASGIIKSIKKNFTKSPSRSRSRSRSKSNANASWKDDELQNDVVGSAAGKRSRKSSLSSHKKNSSATKDFPNPKKSRLWVDRSGTFKVDAEFIGCAKGKIHLHKANGVKIAVAADKLSNEDLAYVEKITGFSLEKFKANDGSSSRGTDSRDSERERRRRLKEQEEKERDRRLKERELYELKKARELLDEERSRLQEKELPPIKPPRPTSTTSVPNTTSVPPAESSNNNNSSNKYDWFEFFLNCGVDVSNCQRYTINFDREQLTEDMMPDINNSMLRTLGLREGDIVRVMKHLDKKFGRENIASIPTNATGNMFSQPDGSLNVATSPETSLPQQLLPQTTSPAQTAPSTSAETDDAWTVKPASKSESNLLSKKSEFTGSMQDLLDLQPLEPKKAAASTPEPNLKDLEPVKTGGTTVPAAPVSSAPVSSAPAPLDPFKTGGNNILPLSTGFVMMPMITGGDMLPMQRTGGFVVPQTTFGMQSQVTGGILPVQKTGNGLIPISNTGGAMMPQTTFGAAATVLPLQKTGGGLIPIATTGGAQFPQTSFNVQGQQQLPTGSILPVQKTANGLISANTGVSMPTVQRTGGTMIPQTSFGVSQQLTGGAMMTQPQNTGSAMMPQTSFNAVPQITGGAMMPQTSFNALPQVTGGAMMPLQRTGGALNTFNTGGAMIPQTSFSSQAQNTGGFRPQSQFGLTLQKTGGIAPLNQNQFTGGAMNTLSTGGVLQQQQPQTMNTFNTGGVMQELQMMTTFNTGGAMQQPQMMNTFNTDGIMQQPQMMNTFNTGGAMQQPQQQALQNQPTGFGFGNGPQQSRQANIFNATASNPFGF | |
Overview of Protein Modification Sites with Functional and Structural Information | ||
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* ASA = Accessible Surface Area
Locations | Modification | Substrate Peptides & Secondary Structure |
ASA (%) | Reference | Orthologous Protein Cluster |
---|---|---|---|---|---|
2 | Phosphorylation | ------MTVFLGIYR ------CCEEHHEEE | 31.13 | 22369663 | |
8 | Phosphorylation | MTVFLGIYRAVYAYE CCEEHHEEEEHHHCC | 7.24 | 22369663 | |
51 | Phosphorylation | VKKRVIGSDSEEPVG EEEEEECCCCCCCCC | 27.17 | 21440633 | |
72 | Ubiquitination | IEEAPVLKKVRAIYD CCCCHHHHHHHEECC | 49.83 | 17644757 | |
73 | Ubiquitination | EEAPVLKKVRAIYDY CCCHHHHHHHEECCH | 32.56 | 17644757 | |
133 | Phosphorylation | YVEPENGSTSKQEQA EECCCCCCCCHHHHC | 40.88 | 27738172 | |
134 | Phosphorylation | VEPENGSTSKQEQAP ECCCCCCCCHHHHCC | 41.14 | 25521595 | |
135 | Phosphorylation | EPENGSTSKQEQAPA CCCCCCCCHHHHCCH | 33.76 | 21551504 | |
181 | Ubiquitination | RARMMQSKEDQAPDE HHHHHHCCCCCCCCC | 48.71 | 23749301 | |
202 | Phosphorylation | PAMPARPTATTETTD CCCCCCCCCCCCCCC | 30.96 | 17563356 | |
217 | Phosphorylation | ATAAAVRSRTRLSYS HHHHHHHHCCCEECC | 31.25 | 23749301 | |
277 | Ubiquitination | KLSIGNNKINFIPQK EEEECCCCEEECCCC | 42.92 | 17644757 | |
284 | Acetylation | KINFIPQKGTPHEWS CEEECCCCCCCCCCC | 60.44 | 24489116 | |
284 | Ubiquitination | KINFIPQKGTPHEWS CEEECCCCCCCCCCC | 60.44 | 23749301 | |
286 | Phosphorylation | NFIPQKGTPHEWSID EECCCCCCCCCCCCE | 28.62 | 21440633 | |
294 | Ubiquitination | PHEWSIDKLVSYDNE CCCCCCEEEEECCCC | 49.47 | 17644757 | |
302 | Acetylation | LVSYDNEKKHMFLEF EEECCCCCCEEEEEE | 54.99 | 24489116 | |
302 | Ubiquitination | LVSYDNEKKHMFLEF EEECCCCCCEEEEEE | 54.99 | 23749301 | |
303 | Acetylation | VSYDNEKKHMFLEFV EECCCCCCEEEEEEC | 33.84 | 24489116 | |
303 | Ubiquitination | VSYDNEKKHMFLEFV EECCCCCCEEEEEEC | 33.84 | 22817900 | |
340 | Phosphorylation | IGEYKGASRDPGLRE HHHHCCCCCCCCHHH | 45.98 | 28889911 | |
353 | Ubiquitination | REVEMASKSKKRGIV HHHHHHCCCCCCCEE | 57.67 | 23749301 | |
379 | Acetylation | LTIKSGDKVYILDDK EEEECCCEEEEECCC | 40.23 | 24489116 | |
386 | Ubiquitination | KVYILDDKKSKDWWM EEEEECCCCCCCEEE | 59.62 | 23749301 | |
387 | Ubiquitination | VYILDDKKSKDWWMC EEEECCCCCCCEEEE | 70.50 | 22817900 | |
389 | Ubiquitination | ILDDKKSKDWWMCQL EECCCCCCCEEEEEE | 67.27 | 23749301 | |
401 | Ubiquitination | CQLVDSGKSGLVPAQ EEEHHCCCCCCEEHH | 45.35 | 17644757 | |
416 | Acetylation | FIEPVRDKKHTESTA HEEECCCCCCCCCCH | 35.57 | 24489116 | |
416 | Ubiquitination | FIEPVRDKKHTESTA HEEECCCCCCCCCCH | 35.57 | 17644757 | |
417 | Ubiquitination | IEPVRDKKHTESTAS EEECCCCCCCCCCHH | 61.11 | 17644757 | |
419 | Phosphorylation | PVRDKKHTESTASGI ECCCCCCCCCCHHHH | 40.28 | 27717283 | |
421 | Phosphorylation | RDKKHTESTASGIIK CCCCCCCCCHHHHHH | 30.35 | 27017623 | |
422 | Phosphorylation | DKKHTESTASGIIKS CCCCCCCCHHHHHHH | 20.71 | 24961812 | |
424 | Phosphorylation | KHTESTASGIIKSIK CCCCCCHHHHHHHHH | 30.52 | 21440633 | |
428 | Ubiquitination | STASGIIKSIKKNFT CCHHHHHHHHHHHCC | 44.18 | 23749301 | |
436 | Ubiquitination | SIKKNFTKSPSRSRS HHHHHCCCCCCCCCC | 57.12 | 23749301 | |
437 | Phosphorylation | IKKNFTKSPSRSRSR HHHHCCCCCCCCCCC | 25.67 | 21082442 | |
439 | Phosphorylation | KNFTKSPSRSRSRSR HHCCCCCCCCCCCCC | 50.40 | 29136822 | |
441 | Phosphorylation | FTKSPSRSRSRSRSK CCCCCCCCCCCCCCC | 38.66 | 19684113 | |
447 | Phosphorylation | RSRSRSRSKSNANAS CCCCCCCCCCCCCCC | 41.50 | 17330950 | |
448 | Ubiquitination | SRSRSRSKSNANASW CCCCCCCCCCCCCCC | 46.77 | 24961812 | |
449 | Phosphorylation | RSRSRSKSNANASWK CCCCCCCCCCCCCCC | 42.28 | 22369663 | |
454 | Phosphorylation | SKSNANASWKDDELQ CCCCCCCCCCCHHHH | 34.17 | 22369663 | |
456 | Acetylation | SNANASWKDDELQND CCCCCCCCCHHHHHH | 53.45 | 24489116 | |
456 | Ubiquitination | SNANASWKDDELQND CCCCCCCCCHHHHHH | 53.45 | 23749301 | |
467 | Phosphorylation | LQNDVVGSAAGKRSR HHHHHHHHHHHHHHH | 11.88 | 22369663 | |
471 | Ubiquitination | VVGSAAGKRSRKSSL HHHHHHHHHHHHHHH | 42.34 | 23749301 | |
473 | Phosphorylation | GSAAGKRSRKSSLSS HHHHHHHHHHHHHHH | 47.77 | 20377248 | |
475 | Ubiquitination | AAGKRSRKSSLSSHK HHHHHHHHHHHHHCC | 45.72 | 22817900 | |
476 | Phosphorylation | AGKRSRKSSLSSHKK HHHHHHHHHHHHCCC | 35.09 | 28889911 | |
477 | Phosphorylation | GKRSRKSSLSSHKKN HHHHHHHHHHHCCCC | 34.99 | 19684113 | |
479 | Phosphorylation | RSRKSSLSSHKKNSS HHHHHHHHHCCCCCC | 32.14 | 28889911 | |
480 | Phosphorylation | SRKSSLSSHKKNSSA HHHHHHHHCCCCCCC | 44.62 | 28889911 | |
483 | Ubiquitination | SSLSSHKKNSSATKD HHHHHCCCCCCCCCC | 57.55 | 17644757 | |
485 | Phosphorylation | LSSHKKNSSATKDFP HHHCCCCCCCCCCCC | 30.17 | 17330950 | |
486 | Phosphorylation | SSHKKNSSATKDFPN HHCCCCCCCCCCCCC | 49.72 | 21082442 | |
488 | Phosphorylation | HKKNSSATKDFPNPK CCCCCCCCCCCCCCC | 32.85 | 28889911 | |
489 | Ubiquitination | KKNSSATKDFPNPKK CCCCCCCCCCCCCCC | 58.02 | 23749301 | |
495 | Ubiquitination | TKDFPNPKKSRLWVD CCCCCCCCCCCEEEC | 70.76 | 17644757 | |
496 | Ubiquitination | KDFPNPKKSRLWVDR CCCCCCCCCCEEECC | 41.90 | 17644757 | |
508 | Ubiquitination | VDRSGTFKVDAEFIG ECCCCEEEECCEEEC | 38.76 | 23749301 | |
518 | Ubiquitination | AEFIGCAKGKIHLHK CEEECCCCCEEEEEE | 65.89 | 22817900 | |
520 | Ubiquitination | FIGCAKGKIHLHKAN EECCCCCEEEEEECC | 26.67 | 22817900 | |
530 | Ubiquitination | LHKANGVKIAVAADK EEECCCEEEEEEEHH | 26.75 | 17644757 | |
537 | Acetylation | KIAVAADKLSNEDLA EEEEEEHHCCCCCHH | 49.43 | 24489116 | |
537 | Ubiquitination | KIAVAADKLSNEDLA EEEEEEHHCCCCCHH | 49.43 | 23749301 | |
548 | Ubiquitination | EDLAYVEKITGFSLE CCHHHHHHHHCCCCE | 35.21 | 24961812 | |
556 | Acetylation | ITGFSLEKFKANDGS HHCCCCEEEECCCCC | 58.41 | 24489116 | |
556 | Ubiquitination | ITGFSLEKFKANDGS HHCCCCEEEECCCCC | 58.41 | 23749301 | |
558 | Ubiquitination | GFSLEKFKANDGSSS CCCCEEEECCCCCCC | 58.30 | 23749301 | |
563 | Phosphorylation | KFKANDGSSSRGTDS EEECCCCCCCCCCCC | 28.18 | 28889911 | |
564 | Phosphorylation | FKANDGSSSRGTDSR EECCCCCCCCCCCCC | 29.59 | 23749301 | |
565 | Phosphorylation | KANDGSSSRGTDSRD ECCCCCCCCCCCCCH | 36.10 | 28889911 | |
570 | Phosphorylation | SSSRGTDSRDSERER CCCCCCCCCHHHHHH | 37.51 | 30377154 | |
602 | Ubiquitination | ERELYELKKARELLD HHHHHHHHHHHHHHH | 32.23 | 23749301 | |
603 | Ubiquitination | RELYELKKARELLDE HHHHHHHHHHHHHHH | 66.36 | 22817900 | |
613 | Phosphorylation | ELLDEERSRLQEKEL HHHHHHHHHHHHCCC | 40.39 | 21440633 | |
618 | Ubiquitination | ERSRLQEKELPPIKP HHHHHHHCCCCCCCC | 52.14 | 17644757 | |
624 | Ubiquitination | EKELPPIKPPRPTST HCCCCCCCCCCCCCC | 55.53 | 23749301 | |
629 | Phosphorylation | PIKPPRPTSTTSVPN CCCCCCCCCCCCCCC | 39.73 | 23749301 | |
630 | Phosphorylation | IKPPRPTSTTSVPNT CCCCCCCCCCCCCCC | 32.16 | 19779198 | |
631 | Phosphorylation | KPPRPTSTTSVPNTT CCCCCCCCCCCCCCC | 26.10 | 19779198 | |
632 | Phosphorylation | PPRPTSTTSVPNTTS CCCCCCCCCCCCCCC | 27.74 | 19779198 | |
633 | Phosphorylation | PRPTSTTSVPNTTSV CCCCCCCCCCCCCCC | 35.35 | 23749301 | |
637 | Phosphorylation | STTSVPNTTSVPPAE CCCCCCCCCCCCCCC | 17.87 | 19779198 | |
694 | Phosphorylation | MMPDINNSMLRTLGL HCCCCCHHHHHHCCC | 18.08 | 24909858 | |
785 | Phosphorylation | TVKPASKSESNLLSK EECCCCHHCCCHHCC | 43.70 | 22369663 | |
787 | Phosphorylation | KPASKSESNLLSKKS CCCCHHCCCHHCCHH | 39.61 | 22369663 | |
792 | Ubiquitination | SESNLLSKKSEFTGS HCCCHHCCHHHHCCC | 61.36 | 23749301 | |
793 | Ubiquitination | ESNLLSKKSEFTGSM CCCHHCCHHHHCCCH | 52.41 | 22817900 | |
794 | Phosphorylation | SNLLSKKSEFTGSMQ CCHHCCHHHHCCCHH | 41.50 | 22369663 | |
797 | Phosphorylation | LSKKSEFTGSMQDLL HCCHHHHCCCHHHHH | 25.05 | 22369663 | |
799 | Phosphorylation | KKSEFTGSMQDLLDL CHHHHCCCHHHHHHC | 15.37 | 22369663 | |
817 | Phosphorylation | EPKKAAASTPEPNLK CCCCCCCCCCCCCHH | 39.51 | 22369663 | |
818 | Phosphorylation | PKKAAASTPEPNLKD CCCCCCCCCCCCHHH | 27.26 | 22369663 | |
824 | Acetylation | STPEPNLKDLEPVKT CCCCCCHHHCCCCCC | 67.89 | 24489116 | |
831 | Phosphorylation | KDLEPVKTGGTTVPA HHCCCCCCCCCCCCC | 40.87 | 25521595 | |
834 | Phosphorylation | EPVKTGGTTVPAAPV CCCCCCCCCCCCCCC | 26.43 | 22890988 | |
835 | Phosphorylation | PVKTGGTTVPAAPVS CCCCCCCCCCCCCCC | 27.97 | 25521595 | |
842 | Phosphorylation | TVPAAPVSSAPVSSA CCCCCCCCCCCCCCC | 21.52 | 22890988 | |
843 | Phosphorylation | VPAAPVSSAPVSSAP CCCCCCCCCCCCCCC | 36.50 | 22890988 | |
847 | Phosphorylation | PVSSAPVSSAPAPLD CCCCCCCCCCCCCCC | 21.52 | 22890988 | |
848 | Phosphorylation | VSSAPVSSAPAPLDP CCCCCCCCCCCCCCC | 38.21 | 22890988 | |
858 | Phosphorylation | APLDPFKTGGNNILP CCCCCCCCCCCCEEE | 51.18 | 28889911 | |
877 | Phosphorylation | FVMMPMITGGDMLPM EEEEEEEECCCCCCC | 28.94 | 23749301 | |
887 | Phosphorylation | DMLPMQRTGGFVVPQ CCCCCCCCCCEECCC | 25.43 | 22369663 | |
895 | Phosphorylation | GGFVVPQTTFGMQSQ CCEECCCCCCCCCCC | 20.30 | 22369663 | |
896 | Phosphorylation | GFVVPQTTFGMQSQV CEECCCCCCCCCCCC | 16.97 | 22369663 | |
901 | Phosphorylation | QTTFGMQSQVTGGIL CCCCCCCCCCCCCEE | 20.09 | 24909858 | |
904 | Phosphorylation | FGMQSQVTGGILPVQ CCCCCCCCCCEECEE | 23.27 | 22369663 | |
913 | Phosphorylation | GILPVQKTGNGLIPI CEECEEEECCCEEEE | 20.84 | 22369663 | |
921 | Phosphorylation | GNGLIPISNTGGAMM CCCEEEECCCCCCCC | 24.00 | 20377248 | |
923 | Phosphorylation | GLIPISNTGGAMMPQ CEEEECCCCCCCCCC | 30.15 | 22369663 | |
931 | Phosphorylation | GGAMMPQTTFGAAAT CCCCCCCCCCCCEEE | 20.44 | 20377248 | |
932 | Phosphorylation | GAMMPQTTFGAAATV CCCCCCCCCCCEEEE | 18.15 | 22369663 | |
938 | Phosphorylation | TTFGAAATVLPLQKT CCCCCEEEEEECEEC | 20.18 | 20377248 | |
945 | Phosphorylation | TVLPLQKTGGGLIPI EEEECEECCCCEEEE | 28.26 | 25521595 | |
954 | Phosphorylation | GGLIPIATTGGAQFP CCEEEEEECCCCCCC | 27.05 | 23749301 | |
955 | Phosphorylation | GLIPIATTGGAQFPQ CEEEEEECCCCCCCC | 25.29 | 25521595 | |
963 | Phosphorylation | GGAQFPQTSFNVQGQ CCCCCCCCEEEECCC | 35.21 | 21440633 | |
964 | Phosphorylation | GAQFPQTSFNVQGQQ CCCCCCCEEEECCCE | 15.02 | 21440633 | |
975 | Phosphorylation | QGQQQLPTGSILPVQ CCCEECCCCCEEEEE | 52.75 | 21551504 | |
977 | Phosphorylation | QQQLPTGSILPVQKT CEECCCCCEEEEEEE | 24.35 | 23607784 | |
984 | Phosphorylation | SILPVQKTANGLISA CEEEEEEECCCEEEC | 14.31 | 22369663 | |
990 | Phosphorylation | KTANGLISANTGVSM EECCCEEECCCCCCC | 22.10 | 22369663 | |
993 | Phosphorylation | NGLISANTGVSMPTV CCEEECCCCCCCCCE | 38.38 | 24930733 | |
996 | Phosphorylation | ISANTGVSMPTVQRT EECCCCCCCCCEEEC | 22.01 | 22369663 | |
999 | Phosphorylation | NTGVSMPTVQRTGGT CCCCCCCCEEECCCE | 22.19 | 22369663 | |
1065 | Phosphorylation | FNALPQVTGGAMMPL CCCCCCCCCCCCEEC | 25.34 | 28889911 | |
1075 | Phosphorylation | AMMPLQRTGGALNTF CCEECEECCCCCCCC | 27.32 | 22369663 | |
1081 | Phosphorylation | RTGGALNTFNTGGAM ECCCCCCCCCCCCCC | 21.07 | 22369663 | |
1084 | Phosphorylation | GALNTFNTGGAMIPQ CCCCCCCCCCCCCCC | 32.57 | 22369663 | |
1092 | Phosphorylation | GGAMIPQTSFSSQAQ CCCCCCCCCCCCCCC | 26.78 | 22369663 | |
1093 | Phosphorylation | GAMIPQTSFSSQAQN CCCCCCCCCCCCCCC | 20.20 | 22369663 | |
1095 | Phosphorylation | MIPQTSFSSQAQNTG CCCCCCCCCCCCCCC | 22.70 | 22369663 | |
1096 | Phosphorylation | IPQTSFSSQAQNTGG CCCCCCCCCCCCCCC | 27.76 | 22369663 | |
1101 | Phosphorylation | FSSQAQNTGGFRPQS CCCCCCCCCCCCCHH | 26.97 | 22369663 | |
1108 | Phosphorylation | TGGFRPQSQFGLTLQ CCCCCCHHHHCEEEE | 30.11 | 22369663 | |
1113 | Phosphorylation | PQSQFGLTLQKTGGI CHHHHCEEEEECCCC | 27.76 | 22369663 | |
1237 | Phosphorylation | QANIFNATASNPFGF HHCCCCCCCCCCCCC | 31.55 | 30377154 | |
1239 | Phosphorylation | NIFNATASNPFGF-- CCCCCCCCCCCCC-- | 40.45 | 30377154 |
Modified Location | Modified Residue | Modification | Function | Reference | ||
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Oops, there are no descriptions of PTM sites of SLA1_YEAST !! |
* Distance = the distance between SAP position and PTM sites.
Modified Location | Modification | Variant Position (Distance <= 10) |
Residue Change | SAP | Related Disease | Reference |
---|---|---|---|---|---|---|
Oops, there are no SNP-PTM records of SLA1_YEAST !! |
Kegg Drug | ||||||
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DrugBank | ||||||
There are no disease associations of PTM sites. |
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Phosphorylation | |
Reference | PubMed |
"A multidimensional chromatography technology for in-depthphosphoproteome analysis."; Albuquerque C.P., Smolka M.B., Payne S.H., Bafna V., Eng J., Zhou H.; Mol. Cell. Proteomics 7:1389-1396(2008). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-437; SER-449; SER-454;SER-785; THR-797; SER-799; THR-818; THR-831; THR-858; THR-877;THR-887; THR-904; SER-921; THR-923; THR-955; THR-984; SER-996 ANDTHR-1065, AND MASS SPECTROMETRY. | |
"Proteome-wide identification of in vivo targets of DNA damagecheckpoint kinases."; Smolka M.B., Albuquerque C.P., Chen S.H., Zhou H.; Proc. Natl. Acad. Sci. U.S.A. 104:10364-10369(2007). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-202; SER-437; THR-797AND SER-799, AND MASS SPECTROMETRY. | |
"Quantitative phosphoproteomics applied to the yeast pheromonesignaling pathway."; Gruhler A., Olsen J.V., Mohammed S., Mortensen P., Faergeman N.J.,Mann M., Jensen O.N.; Mol. Cell. Proteomics 4:310-327(2005). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-486 AND THR-831, ANDMASS SPECTROMETRY. |