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:	POLR2A
Human P-Site:	S269
P-Site Sequence:	PAVVMQGSARNQDDL
UniProt:	P24928
Intern. Prot. ID:	IPI00783837

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	POLR2A	P24928	S269	PAVVMQGSARNQDDL	100 / 9 AA	217
Phosphosite 1:	Ataxin-3	P54252	S260	IQLSMQGSSRNISQD	85 / 7 AA	42
Phosphosite 2:	ZNF669	Q96BR6	T122	YREVMQETCRNLASV	62 / 8 AA	53
Phosphosite 3:	PHF3	Q92576	S58	DKDPMLGSASNQFCL	75 / 8 AA	229
Phosphosite 4:	EXPH5	Q8NEV8	S1562	AEDEMQKSAWDQPSL	62 / 8 AA	223
Phosphosite 5:	DOCK7	Q96N67	S579	NFANRQGSARNITVK	100 / 6 AA	243
Phosphosite 6:	STEAP2	Q8NFT2	Y239	VRDVIHPYARNQQSD	55 / 9 AA	56
Phosphosite 7:	ZNF433	Q8N7K0	T39	CRDVMQETFRNLASI	62 / 8 AA	77
Phosphosite 8:	ZNF124	Q15973	T45	YRDVMQETFRNLASI	62 / 8 AA	40
Phosphosite 9:	OVOS2	Q6IE36	S931	PNDVVEGSARGFFTV	71 / 7 AA	156
Phosphosite 10:	ZNF593	O00488	S40	RELRPQGSARPQPDP	85 / 7 AA	13
Phosphosite 11:	MED12L	Q86YW9	S58	FTGDEHGSARNIVIN	83 / 6 AA	240
Phosphosite 12:	TMEM132E	Q6IEE7	S904	GDGSSGGSARDQAED	83 / 6 AA	107
Phosphosite 13:	HIPK2	Q9H2X6	S1126	HLVASQGSARHTVQH	83 / 6 AA	131
Phosphosite 14:	SAMD4B	Q5PRF9	S289	EQTEEQGSSRNTFQE	83 / 6 AA	75
Phosphosite 15:	SAMD4B	Q5PRF9	S290	QTEEQGSSRNTFQED	83 / 6 AA	75
Phosphosite 16:	DPH1	Q9BZG8	S419	RGKVQEGSARPPSAV	71 / 7 AA	49
Phosphosite 17:	PWP1	Q13610	S480	RERLVLGSARNSSIS	62 / 8 AA	56
Phosphosite 18:	CRAMP1L	Q96RY5	T453	GIQSGQGTARGQVKC	71 / 7 AA	135
Phosphosite 19:	OBFC2A	Q96AH0	S184	PQLQGTASNQTVMTT	71 / 7 AA	22
Phosphosite 20:	ZNF408	Q9H9D4	S482	RPLANQGSLRNHMRL	71 / 7 AA	78