Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	CTSS
Human P-Site:	S171
P-Site Sequence:	AQNLVDCSTEKYGNK
UniProt:	P25774
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSS	P25774	S171	AQNLVDCSTEKYGNK	100 / 9 AA	37
Phosphosite 1:	CTSS	P25774	T172	QNLVDCSTEKYGNKG	100 / 8 AA	37
Phosphosite 2:	C12orf28	Q96LU7	S253	APDLADCSTDPYFAG	66 / 9 AA	31
Phosphosite 3:	NEUROD4	Q9HD90	S245	GSHLPDCSTPPYEGP	66 / 9 AA	37
Phosphosite 4:	SLIT3	O75094	S519	EGTIVDCSNQKLVRI	62 / 8 AA	168
Phosphosite 5:	C12orf28	Q96LU7	T254	PDLADCSTDPYFAGI	62 / 8 AA	31
Phosphosite 6:	SYNRG	Q9UMZ2	S627	FSSVNCSSEKPLSFS	71 / 7 AA	141
Phosphosite 7:	SYNRG	Q9UMZ2	S626	MFSSVNCSSEKPLSF	71 / 7 AA	141
Phosphosite 8:	DLEC1	Q9Y238	T1088	KESSDCSTEQWPGHP	71 / 7 AA	196
Phosphosite 9:	PAK5	Q9P286	T142	SDTTADYTTEKYREK	62 / 8 AA	81
Phosphosite 10:	HAUS6	Q7Z4H7	T187	LQRQDCVTQKYQENA	71 / 7 AA	109
Phosphosite 11:	DLEC1	Q9Y238	S1087	SKESSDCSTEQWPGH	71 / 7 AA	196
Phosphosite 12:	SLIT2	O94813	S520	EGTTVDCSNQKLNKI	71 / 7 AA	170
Phosphosite 13:	PROS1	P07225	S542	FAVSLVDSTSEKSQD	62 / 8 AA	75
Phosphosite 14:	GJA1	P17302	S262	SPAKDCGSQKYAYFN	57 / 7 AA	43
Phosphosite 15:	RSKL1	Q96S38	S155	IDTFPECSTEGFSSD	44 / 9 AA	119
Phosphosite 16:	MACF1	Q96PK2	T498	YPDREDCTTEKGKKT	83 / 6 AA	670
Phosphosite 17:	CLU	P10909	T315	ILSVDCSTNNPSQAK	71 / 7 AA	52
Phosphosite 18:	CLU	P10909	S314	EILSVDCSTNNPSQA	71 / 7 AA	52
Phosphosite 19:	P2RX5	Q93086	T18	LSLFDYKTEKYVIAK	71 / 7 AA	47
Phosphosite 20:	MACF1	Q96PK2	T499	PDREDCTTEKGKKTT	83 / 6 AA	670