>1STS_1|Chains A[auth B], B[auth D]|STREPTAVIDIN|Streptomyces avidinii (1895)
AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKP
>1STS_2|Chains C[auth M], D[auth P]|FCHPQNT-NH2|
FCHPQNTX