. 2019 Jan 17;19:27. doi: 10.1186/s12862-019-1353-z

Table 2.

Reciprocal best hits (BRBH) to human PLG activator group members in lower chordates

Animal group	Species	BRBH	Protein domain types
Cephalochordates	Branchiostoma belcheri	tPA	SRCR, Kringle, LDLRA, PAN, Trypsin^a
	Branchiostoma belcheri	HABP2	SRCR, Kringle, LDLRA, PAN, Trypsin
	Branchiostoma floridae	HGFAC	SRCR, Kringle, LDLRA, Trypsin^a
	Assymetron lucayanum	HABP2	SRCR, Kringle, LDLRA, PAN, Trypsin
Urochordates	Ciona intestinalis	HABP2	FN2, PAN, Kringle, Trypsin
Urochordates	Oikopleura dioica	HABP2	Kringle, Trypsin

^aindicates Trypsin domain predicted to be non-functional. SRCR (scavenger receptor cysteine-rich domain), LDLRA (Low-density lipoprotein (LDL) receptor class A), FN2 (fibronectin type 2 domain)