>4rav_A mol:protein length:126  single-chain Fv, VH
QVQLQESGGGLVQPGGSLRLSCAASGFTFSSYSMSWVRQAPGKGLEWVAVISYDGSNKY
YADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDRYFDLWGRGTLVTVSSGGG
SGGGSGGG