Chains and heterogens:
PDB Chain Sequences:
>1avr_ (-) maqvlrgtvtdfpgfderadaetlrkamkglgtdeesiltlltsrsnaqrqeisaafktl fgrdllddlkseltgkfeklivalmkpsrlydayelkhalkgagtnekvlteiiasrtpe elraikqvyeeeygssleddvvgdtsgyyqrmlvvllqanrdpdagideaqveqdaqalf qagelkwgtdeekfitifgtrsvshlrkvfdkymtisgfqieetidretsgnleqlllav vksirsipaylaetlyyamkgagtddhtlirvmvsrseidlfnirkefrknfatslysmi kgdtsgdykkallllcgedd
>1avr_ (-) qvlrgtvtdfpgfderadaetlrkamkglgtdeesiltlltsrsnaqrqeisaafktlfg rdllddlkseltgkfeklivalmkpsrlydayelkhalkgagtnekvlteiiasrtpeel raikqvyeeeygssleddvvgdtsgyyqrmlvvllqanrdpdagideaqveqdaqalfqa gelkwgtdeekfitifgtrsvshlrkvfdkymtisgfqieetidretsgnleqlllavvk sirsipaylaetlyyamkgagtddhtlirvmvsrseidlfnirkefrknfatslysmikg dtsgdykkallllcged