SysQuan Core 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
O15020	SPTBN2	HRPDLLDFESLK	liver	—	100.0	None	—
O15020	SPTBN2	LGLQDGK	liver	—	100.0	None	—
O15020	SPTBN2	LLDPEDVNVDQPDEK	liver	—	100.0	None	—
O15020	SPTBN2	LLDPEDVNVDQPDEK	lung	—	100.0	None	—
O15020	SPTBN2	LLLNLELQK	liver	—	100.0	None	—
O15020	SPTBN2	QLLLDTTDK	kidney	—	100.0	None	—
O15020	SPTBN2	QLLLDTTDK	liver	—	100.0	None	—
O15020	SPTBN2	SIITYVATYYHYFSK	kidney	—	100.0	None	—
O15020	SPTBN2	WDELETTTQAK	liver	—	100.0	None	—
O15021	MAST4	DSSAASASPHQPIVIHSSGK	kidney	—	100.0	None	—
O15021	MAST4	DSSAASASPHQPIVIHSSGK	lung	—	100.0	None	—
O15021	MAST4	LGTGGAYEVK	lung	—	100.0	None	—
O15021	MAST4	LHQLPYQPTPDELHFLSK	lung	—	100.0	None	—
O15021	MAST4	SESGELAFIK	lung	—	100.0	None	—
O15027	SEC16A	LFDPQLK	liver	—	100.0	None	—
O15027	SEC16A	LVLIGSNHSLPFLK	liver	—	100.0	None	—
O15027	SEC16A	NGLWGHALLLASK	kidney	—	100.0	None	—
O15027	SEC16A	NQWVNLNEPEEEK	liver	—	100.0	None	—
O15027	SEC16A	NQWVNLNEPEEEK	lung	—	100.0	None	—
O15027	SEC16A	SIVWDEK	lung	—	100.0	None	—
O15027	SEC16A	TVWLPGK	lung	—	100.0	None	—
O15031	PLXNB2	AHTDSLNTLVALHQLYQYTQK	lung	—	100.0	None	—
O15031	PLXNB2	DGATLILSK	liver	—	100.0	None	—
O15031	PLXNB2	DGATLILSK	lung	—	100.0	None	—
O15031	PLXNB2	VFFLPSK	liver	—	100.0	None	—
O15031	PLXNB2	VFFLPSK	lung	—	100.0	None	—
O15031	PLXNB2	VWHLVRPTDEVDEGK	kidney	—	100.0	None	—
O15031	PLXNB2	VWHLVRPTDEVDEGK	lung	—	100.0	None	—
O15031	PLXNB2	YYDEIINALEEDPAAQK	liver	—	100.0	None	—
O15033	AREL1	FSYLGPDPVHK	liver	—	100.0	None	—
O15041	SEMA3E	VIWFVQK	lung	—	100.0	None	—
O15042	U2SURP	AAAEIYEEFLAAFEGSDGNK	lung	—	100.0	None	—
O15042	U2SURP	FGPLASVK	kidney	—	100.0	None	—
O15042	U2SURP	FGPLASVK	lung	—	100.0	None	—
O15042	U2SURP	KPGQSFQEQVEHYR	lung	—	100.0	None	—
O15042	U2SURP	LYLVSDVLYNSSAK	lung	—	100.0	None	—
O15042	U2SURP	NPPNQSSNERPPSLLVIETK	liver	—	100.0	None	—
O15042	U2SURP	NPPNQSSNERPPSLLVIETK	lung	—	100.0	None	—
O15042	U2SURP	SLDDDLDGVPLDATEDSK	lung	—	100.0	None	—
O15042	U2SURP	SNLELFK	kidney	—	100.0	None	—
O15042	U2SURP	SNLELFK	liver	—	100.0	None	—
O15042	U2SURP	TIQGHLQSENFK	liver	—	100.0	None	—
O15042	U2SURP	TLSQAIVK	liver	—	100.0	None	—
O15042	U2SURP	WEAVDESELEAQAVTTSK	liver	—	100.0	None	—
O15042	U2SURP	WEAVDESELEAQAVTTSK	lung	—	100.0	None	—
O15047	SETD1A	NLPLDHASLVK	kidney	—	100.0	None	—
O15047	SETD1A	QPIGVDEEITYDYK	kidney	—	100.0	None	—
O15047	SETD1A	QPIGVDEEITYDYK	lung	—	100.0	None	—
O15047	SETD1A	VITIESQK	liver	—	100.0	None	—
O15049	N4BP3	TAEISLLK	kidney	—	100.0	None	—

SysQuan Core Database

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