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
Q5T4S7	UBR4	TVQAIVELK	kidney	—	100.0	None	—
Q5T4S7	UBR4	TVQAIVELK	lung	—	100.0	None	—
Q5T4S7	UBR4	VLGIYTFTK	dbs	—	100.0	None	—
Q5T4S7	UBR4	VLGIYTFTK	Heart	—	100.0	None	—
Q5T4S7	UBR4	VLGIYTFTK	liver	—	100.0	None	—
Q5T4S7	UBR4	VLGIYTFTK	Spleen	—	100.0	None	—
Q5T4S7	UBR4	VQVSLDEHFSK	dbs	—	100.0	None	—
Q5T4S7	UBR4	VQVSLDEHFSK	kidney	—	100.0	None	—
Q5T4S7	UBR4	VQVSLDEHFSK	liver	—	100.0	None	—
Q5T4S7	UBR4	VQVSLDEHFSK	lung	—	100.0	None	—
Q5T4S7	UBR4	VQVSLDEHFSK	Spleen	—	100.0	None	—
Q5T4S7	UBR4	YTTTQQVVK	kidney	—	100.0	None	—
Q5T4S7	UBR4	YTTTQQVVK	lung	—	100.0	None	—
Q5T4S7	UBR4	YTTTQQVVK	Spleen	—	100.0	None	—
Q5T5C0	STXBP5	HGFPYQPSALAFDPVQK	dbs	—	100.0	None	—
Q5T5C0	STXBP5	HGFPYQPSALAFDPVQK	kidney	—	100.0	None	—
Q5T5C0	STXBP5	HGFPYQPSALAFDPVQK	lung	—	100.0	None	—
Q5T5C0	STXBP5	HGFPYQPSALAFDPVQK	Spleen	—	100.0	None	—
Q5T5C0	STXBP5	LSLPTDLKPDLDVK	kidney	—	100.0	None	—
Q5T5C0	STXBP5	LSLPTDLKPDLDVK	liver	—	100.0	None	—
Q5T5C0	STXBP5	LSLPTDLKPDLDVK	lung	—	100.0	None	—
Q5T5C0	STXBP5	LSLPTDLKPDLDVK	Spleen	—	100.0	None	—
Q5T5C0	STXBP5	SLAQHIPGPGGIEGVK	dbs	—	100.0	None	—
Q5T5C0	STXBP5	SLAQHIPGPGGIEGVK	kidney	—	100.0	None	—
Q5T5C0	STXBP5	SLAQHIPGPGGIEGVK	liver	—	100.0	None	—
Q5T5C0	STXBP5	SLAQHIPGPGGIEGVK	lung	—	100.0	None	—
Q5T5C0	STXBP5	SLAQHIPGPGGIEGVK	Spleen	—	100.0	None	—
Q5T5C0	STXBP5	SPAKPVQTITPHGK	kidney	—	100.0	None	—
Q5T5C0	STXBP5	SPAKPVQTITPHGK	lung	—	100.0	None	—
Q5T5C0	STXBP5	SPAKPVQTITPHGK	Spleen	—	100.0	None	—
Q5T5C0	STXBP5	YTYDEAIHSVAWHHEGK	Spleen	—	100.0	None	—
Q5T5P2	KIAA1217	ATAAEVLK	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	ATAAEVLK	kidney	—	100.0	None	—
Q5T5P2	KIAA1217	ATAAEVLK	lung	—	100.0	None	—
Q5T5P2	KIAA1217	EAFLEHLK	kidney	—	100.0	None	—
Q5T5P2	KIAA1217	EPGTLVYIEKPR	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	EPGTLVYIEKPR	kidney	—	100.0	None	—
Q5T5P2	KIAA1217	EPGTLVYIEKPR	liver	—	100.0	None	—
Q5T5P2	KIAA1217	GEFPTLQNK	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	GEFPTLQNK	kidney	—	100.0	None	—
Q5T5P2	KIAA1217	GEFPTLQNK	Spleen	—	100.0	None	—
Q5T5P2	KIAA1217	HVTDGLLK	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	HVTDGLLK	kidney	—	100.0	None	—
Q5T5P2	KIAA1217	HVTDGLLK	liver	—	100.0	None	—
Q5T5P2	KIAA1217	HVTDGLLK	lung	—	100.0	None	—
Q5T5P2	KIAA1217	IPALSPSSGK	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	IPALSPSSGK	lung	—	100.0	None	—
Q5T5P2	KIAA1217	QIASLTGLVQSALFK	lung	—	100.0	None	—
Q5T5P2	KIAA1217	QVGEAVATLK	Heart	—	100.0	None	—
Q5T5P2	KIAA1217	QVGEAVATLK	kidney	—	100.0	None	—

SysQuan Human Database

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