>4n21_F mol:protein length:130 GP2 EctodomainMHHHHHHENLYFQGNMKQIEDKIEEILSKIYHIENEIARIKKLIGAIASKIIKTANYTTNALFLLNKEESEIRDHVVEHELALNYLLAHQGGLCNVVKGPMCSSDIDDFSKNVSDMIDKVHEEMKKFYHE