MAT2A, CPTAC-235 - CPTAC Assay Portal | Office of Cancer Clinical Proteomics Research

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We would like to acknowledge the National Cancer Institute’s Clinical Proteomic Tumor Analysis Consortium (CPTAC) Assay Portal (assays.cancer.gov) for developing assays and establishing criteria for the assays described in this publication.

Overview Data source: UniProt

Official Gene Symbol	Other Aliases
MAT2A	AMS2, MATA2

Sequence Length (AA)	Molecular Weight (Da)
395	43661

Protein Name
S-adenosylmethionine synthase isoform type-2

Sources
UniProt PhosphoSitePlus ® GeneCards	Human Protein Atlas

Protein Sequence hover to view complete sequence

10	20	30	40	50
MNGQLNGFHE	AFIEEGTFLF	TSESVGEGHP	DKICDQISDA	VLDAHLQQDP
60	70	80	90	100
DAKVACETVA	KTGMILLAGE	ITSRAAVDYQ	KVVREAVKHI	GYDDSSKGFD
110	120	130	140	150
YKTCNVLVAL	EQQSPDIAQG	VHLDRNEEDI	GAGDQGLMFG	YATDETEECM
160	170	180	190	200
PLTIVLAHKL	NAKLAELRRN	GTLPWLRPDS	KTQVTVQYMQ	DRGAVLPIRV
210	220	230	240	250
HTIVISVQHD	EEVCLDEMRD	ALKEKVIKAV	VPAKYLDEDT	IYHLQPSGRF
260	270	280	290	300
VIGGPQGDAG	LTGRKIIVDT	YGGWGAHGGG	AFSGKDYTKV	DRSAAYAARW
310	320	330	340	350
VAKSLVKGGL	CRRVLVQVSY	AIGVSHPLSI	SIFHYGTSQK	SERELLEIVK
360	370	380	390	395
KNFDLRPGVI	VRDLDLKKPI	YQRTAAYGHF	GRDSFPWEVP	KKLKY

Data source: UniProt

Protein Map Collapse protein map

Position of Targeted Peptide Analytes Relative to SNPs, Isoforms, and PTMs

Uniprot Database Entry PhosphoSitePlus ®

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Assay Details for CPTAC-234 Collapse assay details

Data source: Panorama

Official Gene Symbol: MAT2A
Peptide Modified Sequence: IC[+57.0]DQISDAVLDAHLQQDPDAK
Modification Type: Carbamidomethyl Cysteine
Protein - Site of Modification: 34
Peptide - Site of Modification: 2
Peptide Start: 33
Peptide End: 53

CPTAC ID: CPTAC-234
Peptide Molecular Mass: 2,351.1063
Species: Homo sapiens (Human)
Assay Type: Direct MRM
Matrix: cell line lysate pool
Submitting Laboratory: Fred Hutchinson Cancer Research Center
Submitting Lab PI: Amanda Paulovich

Publication

View Details (opens in a new window)

Demonstrating the feasibility of large-scale development of standardized assays to quantify human proteins. Kennedy JJ, Abbatiello SE, Kim K, Yan P, Whiteaker JR, Lin C, Kim JS, Zhang Y, Wang X, Ivey RG, Zhao L, Min H, Lee Y, Yu MH, Yang EG, Lee C, Wang P, Rodriguez H, Kim Y, Carr SA, Paulovich AG. Nat Methods. 2014 Feb;11(2):149-55. doi: 10.1038/nmeth.2763. Epub 2013 Dec 8. PMID: 24317253

Assay Parameters Collapse assay parameters

Data source: Panorama

Instrument: 5500 QTRAP (ABSCIEX)
Internal Standard: peptide
Peptide Standard Purity: >95%
Peptide Standard Label Type: 13C,15N

LC: nanoLC-Ultra 2D, cHiPLC-nanoflex (Eksigent)
Column Packing: ChromXP C18-CL, 3 um, 120A
Column Dimensions: 150 x 0.075 mm
Flow Rate: 500 nL / min

Chromatograms

Data source: Panorama

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Response Curves

Data source: Panorama

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Retrieving Data

Repeatability

Data source: Panorama

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	Average intra-assay CV (within day CV)			Average inter-assay CV (between day CV)			Total CV			n=
Fragment ion / Transition	Low	Med	High	Low	Med	High	Low	Med	High	Low	Med	High
y19 (2+)	16.7	10.7	13.5	31	13	24.8	35.2	16.8	28.2	15	25	15
y18 (2+)	44	34.2	18.3	36.3	40	19	57	52.6	26.4	15	25	15
y16 (2+)	16.7	9.6	10.2	33.3	21.7	22.1	37.3	23.7	24.3	15	25	15
sum	14.4	8.5	8.9	28.3	15.9	19.9	31.8	18	21.8	15	25	15

Additional Resources and Comments

Resources

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View Peptide in Panorama

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