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:	T20
P-Site Sequence:	GSGGASGTLQPSSGG
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	T20	GSGGASGTLQPSSGG	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S18	KDGSGGASGTLQPSS	100 / 7 AA	164
Phosphosite 2:	SRPRB	Q9Y5M8	T18	DGGGAGGTFQPYLDT	75 / 8 AA	30
Phosphosite 3:	Putative uncharacterized protein ENSP00000380674	A8MTW9	T52	GLEPARGTLQPRPRP	75 / 8 AA	9
Phosphosite 4:	C9orf50	Q5SZB4	T425	HLLLASATLQPDKR_	85 / 7 AA	48
Phosphosite 5:	RACGAP1	Q9H0H5	T251	RSRRKTGTLQPWNSD	71 / 7 AA	71
Phosphosite 6:	POU2F2	P09086	T409	TLSSAVGTLHPSRTA	75 / 8 AA	51
Phosphosite 7:	HP1BP3	Q5SSJ5	T325	TGKGASGTFQLKKSG	85 / 7 AA	61
Phosphosite 8:	KLC4	Q9NSK0	T548	WSGDGSGTLQRSGSL	75 / 8 AA	69
Phosphosite 9:	CCDC134	Q9H6E4	T23	SGMGATGTLRTSLDP	66 / 9 AA	27
Phosphosite 10:	CCDC57	Q2TAC2	T830	SSSFASGTLQDMWRL	100 / 6 AA	103
Phosphosite 11:	RPP38	P78345	T255	DGRQASVTLQPLKIK	85 / 7 AA	32
Phosphosite 12:	CCDC57	Q2TAC2	S828	HSSSSFASGTLQDMW	100 / 6 AA	103
Phosphosite 13:	MIDN	Q504T8	T287	FSGTFSGTLHPNCQD	71 / 7 AA	49
Phosphosite 14:	RBM25	P49756	S123	WKRVQGASGKLQAFG	85 / 7 AA	100
Phosphosite 15:	CDKL5	O76039	T457	SSQSKAGTLQPNEKQ	71 / 7 AA	116
Phosphosite 16:	FEM1A	Q9BSK4	T630	EKLLARGTMQPFNYV	71 / 7 AA	74
Phosphosite 17:	KIAA1199	Q8WUJ3	T637	GLLVKSGTLLPSDRD	85 / 7 AA	153
Phosphosite 18:	CCNB1IP1	Q9NPC3	T194	TIANHEGTLEPSMIA	83 / 6 AA	32
Phosphosite 19:	RIZ	Q13029	T423	LKRKPSQTLQPSEDL	75 / 8 AA	189
Phosphosite 20:	NBEAL2	Q6ZNJ1	T1379	GGGGSSGTLTPASQP	75 / 8 AA	303