>2l9u_B mol:protein length:40 Receptor tyrosine-protein kinase erbB-3 MGRTHLTMALTVIAGLVVIFMMLGGTFLYWRGRRHHHHHH >2l9u_B mol:protein length:40 Receptor tyrosine-protein kinase erbB-3 MGRTHLTMALTVIAGLVVIFMMLGGTFLYWRGRRHHHHHH >2l9u_A mol:protein length:40 Receptor tyrosine-protein kinase erbB-3 MGRTHLTMALTVIAGLVVIFMMLGGTFLYWRGRRHHHHHH