>3vi3_H mol:protein length:218 SG/19 Fab fragment (Heavy chain) QVHLQQSGAELMKPGASVKISCKATGYTFTSYWIEWVKQRPGHGLEWLGEILPGSGYIH YNEKFKGKATFTTDTSSNTAYMQLSSLTSEDSAVYYCSRALALYAMDYWGQGTSVTVSS AKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQS DLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR