>4r2g_O mol:protein length:309 Surface protein gp160
DFNMWKNNMVEQMQEDVINLWDQSLKPCVKLTGGSVITQACPKVSFEPIPIHYCAPAGFAILKCNNKTFNGKGQCKNVSTVQCTHGIRPVVSTQLLLNGSLAEEKVVIRSDNFTDNAKTIIVQLNESVKINCTRPSNNTRPGEIIGDIRQAHCNISRAQWNNTLKQIVEKLREQFNNKTIVFTHSSGGDPEIVMHSFNCGGEFFYCNSTQLFNSTWNDTEKSSGTEGNDTIILPCRIKQIINMWQEVGKAMYAPPIKGQIRCSSNITGLLLTRDGGKNESEIEIFRPGGGDMRDNWRSELYKYKVVKIE