BRASSINOSTEROID INSENSTITIVE 1 (BRI1) At4G39400
 
MKTFSSFFLSVTTLFFFSFFSLSFQASPSQSLYREIHQLISFKDVLPDKNLLPDWSSNKN
PCTFDGVTCRDDKVTSIDLSSKPLNVGFSAVSSSLLSLTGLESLFLSNSHINGSVSGFKC
SASLTSLDLSRNSLSGPVTTLTSLGSCSGLKFLNVSSNTLDFPGKVSGGLKLNSLEVLDL
SANSISGANVVGWVLSDGCGELKHLAISGNKISGDVDVSRCVNLEFLDVSSNNFSTGIPF
LGDCSALQHLDISGNKLSGDFSRAISTCTELKLLNISSNQFVGPIPPLPLKSLQYLSLAE
NKFTGEIPDFLSGACDTLTGLDLSGNHFYGAVPPFFGSCSLLESLALSSNNFSGELPMDT
LLKMRGLKVLDLSFNEFSGELPESLTNLSASLLTLDLSSNNFSGPILPNLCQNPKNTLQE
LYLQNNGFTGKIPPTLSNCSELVSLHLSFNYLSGTIPSSLGSLSKLRDLKLWLNMLEGEI
PQELMYVKTLETLILDFNDLTGEIPSGLSNCTNLNWISLSNNRLTGEIPKWIGRLENLAI
LKLSNNSFSGNIPAELGDCRSLIWLDLNTNLFNGTIPAAMFKQSGKIAANFIAGKRYVYI
KNDGMKKECHGAGNLLEFQGIRSEQLNRLSTRNPCNITSRVYGGHTSPTFDNNGSMMFLD
MSYNMLSGYIPKEIGSMPYLFILNLGHNDISGSIPDEVGDLRGLNILDLSSNKLDGRIPQ
AMSALTMLTEIDLSNNNLSGPIPEMGQFETFPPAKFLNNPGLCGYPLPRCDPSNADGYAH
HQRSHGRRPASLAGSVAMGLLFSFVCIFGLILVGREMRKRRRKKEAELEMYAEGHGNSGD
RTANNTNWKLTGVKEALSINLAAFEKPLRKLTFADLLQATNGFHNDSLIGSGGFGDVYKA
ILKDGSAVAIKKLIHVSGQGDREFMAEMETIGKIKHRNLVPLLGYCKVGDERLLVYEFMK
YGSLEDVLHDPKKAGVKLNWSTRRKIAIGSARGLAFLHHNCSPHIIHRDMKSSNVLLDEN
LEARVSDFGMARLMSAMDTHLSVSTLAGTPGYVPPEYYQSFRCSTKGDVYSYGVVLLELL
TGKRPTDSPDFGDNNLVGWVKQHAKLRISDVFDPELMKEDPALEIELLQHLKVAVACLDD

RAWRRPTMVQVMAMFKEIQAGSGIDSQSTIRSIEDGGFSTIEMVDMSIKEVPEGKL

 

Peptides identified are underlined

Phosphorylated peptides identified by ion-trap are in red

Phosphorylated peptides identified by QTOF are in blue

Phosphorylated peptides identified by both instruments are in green

 

Total protein (sequence) coverage: 31.6%

Cytoplasmic domain (sequence) coverage: 65.7%

 

Ion trap data (NC State Univ)1

 

Phosphorylated peptides

identified2

Calculated mass Measured mass Charge state Sequest Xcorr

y and b ions

identified/predicted

EAELEMYAEGHGNS*GDR 1960.9 1960.2 2 2.16 14/32
EAELEMYAEGHGNS*GDR 1960.9 1960.9 2 1.75 14/32
AGVKLNWST#R 1211.3 1211.1 2 1.79 7/18
EIQAGSGIDSQS*TIR   1641.6 1640.9 2 2.02 13/28

QTOF data (Michigan St. Univ)1

Phosphorylated peptides

identified2

Calculated mass Measured mass Charge state Mascot score

y and b ions

identified/predicted

EAELEMYAEGHGNS*GDR 1960.9 1960.7 2 69 16/32
EALS*INLAAFEKPLR 1751.9 1752.8 2 89 16/28
LT#FADLIQAT#NGFHNDSLIGSGGFGDVYK 3218.3 3219.5 3 52 15/56

1 Mass spectral data identifying phosphorylation sites can be viewed by clicking on the peptide sequence

2 Phosphorylated residue is followed by either * (phosphoserine) or # (phosphothreonine)

These sites of phosphorylation were described in the following article:

Wang, X., et. al., Identification and functional analysis of in vivo phosphorylation sites of the Arabidopsis Brassinosteroid-Insensitive1 receptor kinase.Plant Cell. 2005 Jun;17(6):1685-703

 
 
 
 
 
BRASSINOSTEROID INSENSITIVE 1- ASSOCIATED RECEPTOR KINASE 1 (BAK1) At4G33430
 

MERRLMIPCFFWLILVLDLVLRVSGNAEGDALSALKNSLADPNKVLQSWDATLVTPCTWFHVTCNSDNSVTRVDL
GNANLSGQLVMQLGQLPNLQYLELYSNNITGTIPEQLGNLTELVSLDLYLNNLSGPIPSTLGRLKKLRFLRLNNN
SLSGEIPRSLTAVLTLQVLDLSNNPLTGDIPVNGSFSLFTPISFANTKLTPLPASPPPPISPTPPSPAGSNRITG
AIAGGVAAGAALLFAVPAIALAWWRRKKPQDHFFDVPAEEDPEVHLGQLKRFSLRELQVASDNFSNKNILGRGGF
GKVYKGRLADGTLVAVKRLKEERTQGGELQFQTEVEMISMAVHRNLLRLRGFCMTPTERLLVYPYMANGSVASCL
RERPESQPPLDWPKRQR
IALGSARGLAYLHDHCDPKIIHRDVKAANILLDEEFEAVVGDFGLAKLMDYKDTHVTT
AVRGTIGHIAPEYLSTGK
SSEKTDIFGYGVMLLELITGQRAFDLARLANDDDVMLLDWVKGLLKEKKLEALVDVD
LQGNYKDEEVEQLIQVALLCTQSSPMERPKMSEVVRMLEGDGLAERWEEWQKEEMFRQDFNYPTHHPAVSGWIIG
DSTSQIENEYPSGPR

 

Peptides identified are underlined

Phosphorylated peptides identified by ion-trap are in red

 

Total protein (sequence) coverage: 33.01%

Cytoplasmic domain (sequence) coverage: 50.68%

 

Ion trap data (NC State Univ)1

 

Phosphorylated peptides

identified2,3

Calculated mass Measured mass Charge state Sequest Xcorr

y and b ions

identified/predicted

ELQVASDNFS*NKNILGR 1986.1 1984.9 2 3.43 21/48
LADGT#LVAVK 1067.2 1066.2 1 2.34 16/27
LM@DYKDT#HVTTAVR 1746.9 1747.3 3 3.57 32/78
LM@DYKDTHVT#TAVR 1746.9 1746.2 3 3.29 29/78
LM@DYKDTHVT#TAVR 1746.9 1745.7 2 3.06 22/39
LMDYKDT#HVT#TAVR 1810.8 1810.1 2 3.44 26/52
GT#IGHIAPEYLSTGK 1624.7 1625.4 3 3.30 33/48

1 Mass spectral data identifying phosphorylation sites can be viewed by clicking on the peptide sequence

2 Phosphorylated residue is followed by either * (phosphoserine) or # (phosphothreonine)

3 Oxidized methionine residue is followed by @