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:	CDK12
Human P-Site:	S503
P-Site Sequence:	KAQGTRDSKPIALKE
UniProt:	Q9NYV4
Intern. Prot. ID:	IPI00021175

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK12	Q9NYV4	S503	KAQGTRDSKPIALKE	100 / 9 AA	164
Phosphosite 1:	HACE1	Q8IYU2	S426	LSTGTRESKPDALAG	77 / 9 AA	102
Phosphosite 2:	GPATCH3	Q96I76	S94	RPLSTRDSTPIQTRT	75 / 8 AA	59
Phosphosite 3:	MRPS5	P82675	T57	SSLGTRDTHPYASLS	66 / 9 AA	48
Phosphosite 4:	GPATCH3	Q96I76	T95	PLSTRDSTPIQTRTC	85 / 7 AA	59
Phosphosite 5:	FAM83H	Q6ZRV2	T1159	EGPAEEGTRDSKVGK	100 / 6 AA	127
Phosphosite 6:	CDK12	Q9NYV4	T500	KDLKAQGTRDSKPIA	100 / 6 AA	164
Phosphosite 7:	DNLZ	Q5SXM8	S83	KVCGTRSSKRISKLA	66 / 9 AA	19
Phosphosite 8:	SCYE1	Q12904	S147	SIAGSADSKPIDVSR	75 / 8 AA	34
Phosphosite 9:	FAM83H	Q6ZRV2	S1162	AEEGTRDSKVGKFVP	100 / 6 AA	127
Phosphosite 10:	AlphaK1	Q96L96	S698	KGEATTDSKPISSLS	66 / 9 AA	201
Phosphosite 11:	DNLZ	Q5SXM8	S82	CKVCGTRSSKRISKL	75 / 8 AA	19
Phosphosite 12:	NT5C1B	Q96P26	S230	EIRQTRDSQPLEYSR	62 / 8 AA	69
Phosphosite 13:	RNF144B	Q7Z419	S169	AEVSCRDSQPIVLPT	71 / 7 AA	34
Phosphosite 14:	HSD17B1	P14061	S70	LQLDVRDSKSVAAAR	55 / 9 AA	35
Phosphosite 15:	TARS	P26639	S80	AEKAEKDSKPIKVTL	83 / 6 AA	83
Phosphosite 16:	HSD17B1	P14061	S72	LDVRDSKSVAAARER	71 / 7 AA	35
Phosphosite 17:	WDR52	Q96MT7	Y608	FFEVERDYKPIGYIN	71 / 7 AA	112
Phosphosite 18:	POLS	Q5XG87	S535	KHTHTRDSLPVSLSR	62 / 8 AA	60
Phosphosite 19:	VASH2	Q86V25	S153	AKEMTRESLPIKCLE	71 / 7 AA	40
Phosphosite 20:	PHRF1	Q9P1Y6	S654	SKISSRDSKPPCRSV	71 / 7 AA	179