>6nnf_U mol:protein length:142 VRC01 FR3-03 heavy chain
QVQLVQSGGQMKKPGESMRISCRASGYEFIDCTLNWIRLAPGKRPEWMGWLKPRGGAVNYARPLQGRVTMTRQLSQDPDDPDWGTAFLELRSLTVDDTAVYFCTRGKNCDYNWDFEHWGRGTPVIVGGLVPRGSHHHHHHHH