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:	KCTD21
Human P-Site:	S135
P-Site Sequence:	REAPQIYSLSSSSME
UniProt:	Q4G0X4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KCTD21	Q4G0X4	S135	REAPQIYSLSSSSME	100 / 9 AA	30
Phosphosite 1:	KCTD21	Q4G0X4	Y134	VREAPQIYSLSSSSM	100 / 8 AA	30
Phosphosite 2:	SLFN12L	Q6IEE8	T171	TSGPQIATLSSSLYK	77 / 9 AA	62
Phosphosite 3:	ZNF211	Q13398	S327	KSFSQIYSLNSHRKV	75 / 8 AA	65
Phosphosite 4:	ZNF211	Q13398	Y326	GKSFSQIYSLNSHRK	75 / 8 AA	65
Phosphosite 5:	APC2	O95996	S1578	DETPPCYSLSSSASS	77 / 9 AA	244
Phosphosite 6:	OR10A3	P58181	S291	LLNPLIYSLRNSEMK	66 / 9 AA	36
Phosphosite 7:	DGK-B	Q9Y6T7	S470	LNPRQVYSLSGNGPM	55 / 9 AA	91
Phosphosite 8:	OR5F1	O95221	S291	MLNPLIYSLRSKEVK	75 / 8 AA	35
Phosphosite 9:	OR5F1	O95221	Y290	PMLNPLIYSLRSKEV	75 / 8 AA	35
Phosphosite 10:	RP1	P56715	Y276	SSSRSQIYSVSSEKT	75 / 8 AA	241
Phosphosite 11:	RP1	P56715	S277	SSRSQIYSVSSEKTH	75 / 8 AA	241
Phosphosite 12:	NOS2	P35228	S909	ILKPRFYSISSSRDH	66 / 9 AA	131
Phosphosite 13:	OR5H6	Q8NGV6	Y306	PLLNPMIYSLRNKQV	62 / 8 AA	37
Phosphosite 14:	OR5M3	Q8NGP4	Y288	PMLNPMIYSLRNKDV	62 / 8 AA	35
Phosphosite 15:	CCDC160	A6NGH7	Y48	SKGMEEIYNLSSRKF	71 / 7 AA	38
Phosphosite 16:	DGK-B	Q9Y6T7	Y469	LLNPRQVYSLSGNGP	71 / 7 AA	91
Phosphosite 17:	PACS1	Q6VY07	Y251	PVAEIKIYSLSSQPI	85 / 7 AA	105
Phosphosite 18:	GPR21	Q99679	S307	NCVIYSLSNSVFQRG	85 / 7 AA	40
Phosphosite 19:	ATL3	Q6DD88	Y172	MTSSVQIYNLSQNIQ	83 / 6 AA	61
Phosphosite 20:	PACS1	Q6VY07	S254	EIKIYSLSSQPIDHE	100 / 6 AA	105