Table 1. Determined crystal structures of lipocalin allergens.

Animal	Source	Allergen	Amino acids	Resolution [Å]	PDB	Asym. unit	Space group	Oligomer	Interface1 [Å2]	Interface2 [Å2]
Rat	urine	Rat n 1	162	2.90	2a2g	4	P212121	tetramer	708	457
Dog	saliva, dander	Can f 2	162	1.45	3l4r	1	C2221	tetramer	576	380
								dimer	447
Horse	saliva, dander, urine	Equ c 1	172	2.30	1ew3	1	P43212	dimer	1025
Cockroach	whole body	Bla g 4	130	1.75	4n7c	1	P41212	dimer	1018
Cow	milk	Bos d 5	142	1.80	1beb	2	P1	dimer	528
Mouse	dander, urine	Mus m 1	162	2.40	1mup	1	P43212	dimer	389
Cockroach	whole body	Per a 4	154	2.80	3ebw	2	P41	dimer	403
Dog	saliva, dander	Can f 4	158	2.60	4odd	3	P212121	dimer	640
Pigeon tick	saliva	Arg r 1	144	1.40	2×45	3	C2	dimer	530
Cow	dander	Bos d 2	156	1.75	4wfu	1	P3221	dimer	389