>5ock_H mol:protein length:221 Human ACPA E4 Fab fragment - Heavy chainQVQLEESGPGLVRPSETLSLSCTVSGFPMSESYFWGWIRQSPGKGLEWLGSVIHTGTTYYRPSLESRLTIAMDPSKNQVSLSLTSVTVADSAMYYCVRIRGGSSNWLDPWGPGIVVTASSAKTTPPSVYPLAPGCGDTTGSSVTLGCLVKGYFPESVTVTWNSGSLSSSVHTFPALLQSGLYTMSSSVTVPSSTWPSQTVTCSVAHPASSTTVDKKIEPRP