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:	TTC21A
Human P-Site:	S616
P-Site Sequence:	GRKFLRPSVQPSQRA
UniProt:	Q8NDW8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTC21A	Q8NDW8	S616	GRKFLRPSVQPSQRA	100 / 9 AA	151
Phosphosite 1:	SDF2L1	Q9HCN8	S211	EGIFIKPSVEPSAGH	66 / 9 AA	24
Phosphosite 2:	KIAA0133	Q14146	S1492	DVQFLRASLQPGMRD	66 / 9 AA	171
Phosphosite 3:	axin 1	O15169	S682	AGPQLRTSVQPSHLF	87 / 8 AA	96
Phosphosite 4:	TTC8	Q8TAM2	S116	ITGFLRPSTQSGRPG	66 / 9 AA	60
Phosphosite 5:	SMCY	Q9BY66	S200	HSIPLRQSVQPSKFS	87 / 8 AA	174
Phosphosite 6:	SmcX	P41229	S200	HSIPLRQSVQPSKFN	87 / 8 AA	176
Phosphosite 7:	CRAMP1L	Q96RY5	S86	QHHFLRSSVRPQSKR	75 / 8 AA	135
Phosphosite 8:	UBR4	Q5T4S7	S2256	TSYWLQPSLQPSSVI	66 / 9 AA	574
Phosphosite 9:	MESP1	Q9BRJ9	S112	LRRFLPPSVAPAGQS	66 / 9 AA	29
Phosphosite 10:	ALOX15	P16050	S654	PYEYLRPSVVENSVA	83 / 6 AA	75
Phosphosite 11:	PHLPP	O60346	S1350	GYTFLHPSVVPRPHV	75 / 8 AA	185
Phosphosite 12:	GNAS	P84996	S72	SMQALRPSAQHSWSP	75 / 8 AA	68
Phosphosite 13:	RFPL2	O75678	S347	LRPFLAPSVPPNGDQ	66 / 9 AA	42
Phosphosite 14:	POM121	A8CG34	S186	PTPLLRPSGRPSPRD	66 / 9 AA	125
Phosphosite 15:	AP3B2	Q13367	S818	LEDFTPPSVQPVSPP	75 / 8 AA	119
Phosphosite 16:	MEF2B	Q02080	S300	PATFLRPSPIPCSSP	66 / 9 AA	39
Phosphosite 17:	STARD9	Q9P2P6	S3759	SDAFLPPSSQPEESY	75 / 8 AA	507
Phosphosite 18:	REV1	Q9UBZ9	S839	STCPSRPSVQSSHFP	85 / 7 AA	138
Phosphosite 19:	TJP2	Q9UDY2	S499	PRTFLRPSPEDEAIY	71 / 7 AA	134
Phosphosite 20:	HSPG2	P98160	S1735	GSELHFPSVQPSDAG	100 / 6 AA	469