>3fn1_A mol:protein length:98 NEDD8-activating enzyme E1 catalytic subunitGSSQLPQNIQFSPSAKLQEVLDYLTNSASLQMKSPAITATLEGKNRTLYMQSVTSIEERTRPNLSKTLKELGLVDGQELAVADVTTPQTVLFKLHFTS