>3vi4_F mol:protein length:218 SG/19 Fab fragment (Heavy chain)
QVHLQQSGAELMKPGASVKISCKATGYTFTSYWIEWVKQRPGHGLEWLGEILPGSGYIHYNEKFKGKATFTTDTSSNTAYMQLSSLTSEDSAVYYCSRALALYAMDYWGQGTSVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR