Table 2.

Targets, names, and sequences of representative peptides targeting immune checkpoints.

Target	Peptide name	Sequence	Ref.
PD-1	NP-12	H-SNTSESFK(H-SNTSESF)FRVTQLAPKAQIKE-NH2	92
PD-L1	CLP002	WHRSYYTWNLNT	93
	DPPA-1	H-nyskptdrqyhf-NH2a	94
	OPBP-1	gqsehhmrvysfa	95
CTLA-4	ERY2-4	Ac-C1AWGQAILEGELAWLEGGGGGAGQLADLKRQLAWWKQAC1-NH2b	99
TIGIT	DTBP-3	H-ggytfhwhrlnp-NH2a	106
BTLA	HVEM(14–39)	Ac-ESC1PKC2SPGYRVKEAC1GELTGTVC2EP-NH2b	108
HVEM	gD (1–36)(K10C–T29C)	Ac-KYALVDASLC1MADPNRFRGKDLPVLDQLC1DPPGVRR-NH2b	110
VISTA	AP1049	H-SSAC1DWIKRSC1H-NH2b	115
LAG-3	C25	H-C1VPMTYRAC1b-OH	118
CD47	Pep-20	AWSATWSNYWRH	122

^aLowercase letters indicate d-amino acids.

^bC_n: two cysteines with the same number form a corresponding disulfide bond.