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:	CDK13
Human P-Site:	T500
P-Site Sequence:	STPTKGNTETSASAS
UniProt:	Q14004
Intern. Prot. ID:	IPI00456970

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK13	Q14004	T500	STPTKGNTETSASAS	100 / 9 AA	165
Phosphosite 1:	RAB3GAP2	Q9H2M9	T909	LLHSKGNTQTSKVSS	75 / 8 AA	156
Phosphosite 2:	MLNR	O43193	T402	GGDTVGYTETSANVK	77 / 9 AA	45
Phosphosite 3:	LIPE	Q05469	S885	DLSLRGNSETSSDTP	62 / 8 AA	117
Phosphosite 4:	MLNR	O43193	T404	DTVGYTETSANVKTM	85 / 7 AA	45
Phosphosite 5:	CASZ1	Q86V15	T1067	GGAAKGNTEAAFPAS	62 / 8 AA	190
Phosphosite 6:	UBA6	A0AVT1	T600	TMGTKGHTEVIVPHL	71 / 7 AA	118
Phosphosite 7:	G2	Q6ZVL6	S1536	SRQVKGHSETSTLSS	71 / 7 AA	199
Phosphosite 8:	CDK13	Q14004	S503	TKGNTETSASASQTN	100 / 6 AA	165
Phosphosite 9:	KEAP1	Q14145	S390	SPDGNTDSSALDCYN	71 / 7 AA	70
Phosphosite 10:	LZIC	Q8WZA0	T7	_MASRGKTETSKLKQ	62 / 8 AA	21
Phosphosite 11:	KEAP1	Q14145	T388	NNSPDGNTDSSALDC	71 / 7 AA	70
Phosphosite 12:	RasGRF1	Q13972	T856	NQSDDGDTETSPTKS	71 / 7 AA	145
Phosphosite 13:	RasGRF1	Q13972	T858	SDDGDTETSPTKSPT	71 / 7 AA	145
Phosphosite 14:	MAPK8IP3	Q9UPT6	T275	TTGTKSNTPTSSVPS	66 / 9 AA	147
Phosphosite 15:	MLTK	Q9NYL2	T664	SGFSSGNTDTSSERG	71 / 7 AA	91
Phosphosite 16:	MLTK	Q9NYL2	T666	FSSGNTDTSSERGRY	71 / 7 AA	91
Phosphosite 17:	H2AFY2	Q9P0M6	S124	KRGTKGKSETILSPP	71 / 7 AA	40
Phosphosite 18:	GCM1	Q9NP62	T187	SLSLKGSTETRSLPG	62 / 8 AA	49
Phosphosite 19:	RAB3GAP2	Q9H2M9	T911	HSKGNTQTSKVSSLQ	83 / 6 AA	156
Phosphosite 20:	FAM90A2P	Q658T7	S136	LLPNRKGSTESSVFL	71 / 7 AA	50