SysQuan Human Database

Fast, large-scale absolute quantification for human samples. Unlike traditional methods requiring expensive synthetic peptides for each target, SysQuan uses metabolically K6-labeled mouse tissues with pre-quantified proteins. Simply mix your human samples with our standardized mouse tissue extracts to achieve absolute quantification across the entire proteome.

How to Use:

Search for proteins by gene name, UniProt accession, or peptide sequence
Filter by tissue type or assay availability (MRM, PRM-PASEF)
Select peptides to add them to your cart
Access MRM/PRM transitions, calibration curves, and observed peptide spectra
Download assay data

Available Data:

Optimized MRM & PRM-PASEF transitions for targeted MS
Absolute quantification calibration curves (fmol/µg)
Observed peptide MS/MS spectra from mouse tissues
Multi-tissue coverage across mouse organs

Use the SysQuan Kit: Pre-quantified K6-labeled mouse tissue extracts ready to spike into your human samples for rapid absolute quantification—no need for expensive synthetic peptide standards!

Uniprot ID	Gene	Peptide Sequence	Tissue	Mouse Conc. (fmol/µg)	Incorp. (%)	Assays Available	PTM
P22314	UBA1	YFLVGAGAIGCELLK	liver	2.9	100.0	MRM+PRM	['Cys']
P23229	ITGA6	EGCGDDNVCNSNLK	Heart	5.9	100.0	MRM+PRM	['Cys']
P23378	GLDC	SAHGTNPASAHMAGMK	liver	11.8	100.0	MRM+PRM	['Meth']
P23378	GLDC	SAHGTNPASAHMAGMK	liver	11.8	100.0	MRM+PRM	['Meth']
P23381	WARS1	GIFGFTDSDCIGK	liver	2.4	100.0	MRM+PRM	['Cys']
P24752	ACAT1	MLEIDPQK	kidney	14.0	100.0	MRM+PRM	['Meth']
P24752	ACAT1	MLEIDPQK	liver	4.9	100.0	MRM+PRM	['Meth']
P25789	PSMA4	YLLQYQEPIPCEQLVTALCDIK	liver	5.7	100.0	MRM+PRM	['Cys']
P25789	PSMA4	YLLQYQEPIPCEQLVTALCDIK	plasma	1.4	100.0	MRM+PRM	['Cys']
P26572	MGAT1	ALGVMDDLK	liver	0.1	100.0	MRM+PRM	['Meth']
P27797	CALR	HEQNIDCGGGYVK	Heart	5.5	100.0	MRM+PRM	['Cys']
P27797	CALR	HEQNIDCGGGYVK	liver	13.4	100.0	MRM+PRM	['Cys']
P27918	CFP	LCTPLLPK	plasma	4.1	100.0	MRM+PRM	['Cys']
P30038	ALDH4A1	DPQEPIMK	liver	1.7	100.0	MRM+PRM	['Meth']
P30038	ALDH4A1	DPQEPIMK	liver	1.7	100.0	MRM+PRM	['Meth']
P30044	PRDX5	GVLFGVPGAFTPGCSK	liver	16.5	100.0	MRM+PRM	['Cys']
P30084	ECHS1	IVVAMAK	Heart	22.3	100.0	MRM+PRM	['Meth']
P30084	ECHS1	IVVAMAK	liver	9.8	100.0	MRM+PRM	['Meth']
P30085	CMPK1	EMDQTMAANAQK	Heart	0.4	100.0	MRM+PRM	['Meth']
P30085	CMPK1	EMDQTMAANAQK	liver	1.7	100.0	MRM+PRM	['Meth']
P30085	CMPK1	EMDQTMAANAQK	liver	1.7	100.0	MRM+PRM	['Meth']
P30837	ALDH1B1	LAPALATGNTVVMK	liver	1.0	100.0	MRM+PRM	['Meth']
P31146	CORO1A	VSQTTWDSGFCAVNPK	Heart	0.3	100.0	MRM+PRM	['Cys']
P31327	CPS1	EVEMDAVGK	liver	52.4	100.0	MRM+PRM	['Meth']
P31937	HIBADH	TPVGFIGLGNMGNPMAK	liver	2.5	100.0	MRM+PRM	['Meth']
P31948	STIP1	DCEECIQLEPTFIK	liver	1.4	100.0	MRM+PRM	['Cys']
P34897	SHMT2	AHLLADMAHISGLVAAK	liver	1.3	100.0	MRM+PRM	['Meth']
P34897	SHMT2	AHLLADMAHISGLVAAK	liver	1.3	100.0	MRM+PRM	['Meth']
P34913	EPHX2	EMVTFLDK	kidney	0.6	100.0	MRM+PRM	['Meth']
P34913	EPHX2	EMVTFLDK	kidney	0.6	100.0	MRM+PRM	['Meth']
P34913	EPHX2	EMVTFLDK	liver	2.2	100.0	MRM+PRM	['Meth']
P34932	HSPA4	GCALQCAILSPAFK	liver	2.0	100.0	MRM+PRM	['Cys']
P35579	MYH9	ADFCIIHYAGK	liver	0.4	100.0	MRM+PRM	['Cys']
P36957	DLST	LGFMSAFVK	liver	2.6	100.0	MRM+PRM	['Meth']
P36969	GPX4	ICVNGDDAHPLWK	liver	1.0	100.0	MRM+PRM	['Cys']
P37268	FDFT1	MDQDSLSSSLK	liver	0.5	100.0	MRM+PRM	['Meth']
P37837	TALDO1	ALAGCDFLTISPK	liver	6.4	100.0	MRM+PRM	['Cys']
P40925	MDH1	VIVVGNPANTNCLTASK	liver	50.6	100.0	MRM+PRM	['Cys']
P40925	MDH1	VIVVGNPANTNCLTASK	plasma	0.1	100.0	MRM+PRM	['Cys']
P40926	MDH2	TIIPLISQCTPK	liver	6.4	100.0	MRM+PRM	['Cys']
P40939	HADHA	VIGMHYFSPVDK	Heart	1330.6	100.0	MRM+PRM	['Meth']
P41091	EIF2S3	IVLTNPVCTEVGEK	liver	0.9	100.0	MRM+PRM	['Cys']
P42765	ACAA2	QTMQVDEHARPQTTLEQLQK	liver	34.3	100.0	MRM+PRM	['Meth']
P43251	BTD	ILSGDPYCEK	plasma	0.5	100.0	MRM+PRM	['Cys']
P43652	AFM	LCFFYNK	plasma	0.6	100.0	MRM+PRM	['Cys']
P45880	VDAC2	WCEYGLTFTEK	liver	2.8	100.0	MRM+PRM	['Cys']
P46952	HAAO	LMHQEQLK	liver	5.8	100.0	MRM+PRM	['Meth']
P46977	STT3A	VGQAMASTEEK	liver	1.7	100.0	MRM+PRM	['Meth']
P46977	STT3A	VGQAMASTEEK	liver	1.7	100.0	MRM+PRM	['Meth']
P47756	CAPZB	GCWDSIHVVEVQEK	liver	2.6	100.0	MRM+PRM	['Cys']

SysQuan Human Database

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