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:	S1053
P-Site Sequence:	KRRRQRQSGVVVEEP
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	S1053	KRRRQRQSGVVVEEP	100 / 9 AA	164
Phosphosite 1:	CILP	O75339	S1166	SRGGQRQSGVVASLR	100 / 7 AA	133
Phosphosite 2:	OTUD5	Q96G74	S54	GGDRDRDSGVVGARP	75 / 8 AA	61
Phosphosite 3:	MMP9	P14780	S26	AAPRQRQSTLVLFPG	66 / 9 AA	78
Phosphosite 4:	TESK1	Q15569	S79	YKVRHRQSGQVMVLK	66 / 9 AA	68
Phosphosite 5:	RNF6	Q9Y252	S319	RSPIQRQSGTVYHNS	85 / 7 AA	78
Phosphosite 6:	C14orf176	P0C7T8	S29	HWARHRQSGHLLVLA	55 / 9 AA	24
Phosphosite 7:	MSK2	O75676	S433	RRCRQRQSGQEFAVK	100 / 6 AA	86
Phosphosite 8:	SPEN	Q96T58	S2114	AQAGERESGVVAVSP	71 / 7 AA	402
Phosphosite 9:	DKFZp451F163	Q99081	S510	RGGLQSQSGTVVTTE	75 / 8 AA	73
Phosphosite 10:	CLIP2	Q9UDT6	S560	SKEHQRESGVLRDKY	62 / 8 AA	116
Phosphosite 11:	NOG	Q13253	S113	QLLRQRPSGAMPSEI	62 / 8 AA	26
Phosphosite 12:	NuaK2	Q9H093	S457	KKPRQRESGYYSSPE	62 / 8 AA	70
Phosphosite 13:	ZZEF1	O43149	T1462	PLNKRQRTSSVVEEH	75 / 8 AA	331
Phosphosite 14:	ZZEF1	O43149	S1463	LNKRQRTSSVVEEHF	75 / 8 AA	331
Phosphosite 15:	TMEM126B	Q8IUX1	S15	AGTKPRDSGVVPVGT	62 / 8 AA	26
Phosphosite 16:	CPAMD8	Q8IZJ3	S1846	TPAPQRHSGRVVGAH	75 / 8 AA	207
Phosphosite 17:	CRCT1	Q9UGL9	S73	RRRRQRSSGCCCCGG	55 / 9 AA	10
Phosphosite 18:	TRIM2	Q9C040	T537	PGQLQRPTGVAVHPS	62 / 8 AA	82
Phosphosite 19:	KIAA0133	Q14146	S831	CSGAQRDSGLVSQQL	71 / 7 AA	171
Phosphosite 20:	ISOC2	Q96AB3	S154	ALARMRQSGAFLSTS	55 / 9 AA	22