Chains and heterogens:
PDB Chain Sequences:
>1q72H (H:) evtlqesggglvqpggsmklscaasgftfsdawvdwvrqspgkglewvaeirnkannhat kytesvkgrftisrddskssvylqmnslraedtgiyyctsvpqlgrgfaywgqgtlvtvs aasttppsvyplapgsggastsgsmvtlgclvkgyfpepvtvtwnsgalssgvhtfpavl ngdlytlsssvtvpsstwpsqtvtcnvahpasstqvdkkivpk
>1q72H (H:) evtlqesggglvqpggsmklscaasgftfsdawvdwvrqspgkglewvaeirnkannhat kytesvkgrftisrddskssvylqmnslraedtgiyyctsvpqlgrgfaywgqgtlvtvs aasttppsvyplapgsggagsmvtlgclvkgyfpepvtvtwnsgalssgvhtfpavlngd lytlsssvtvpsstwpsqtvtcnvahpasstqvdkkivpk
>1q72L (L:) divmtqaapsvpvtpgesvsiscrssksllhsngytylhwflqrpgqspqlliyrvsnla sgvpdrfsgsgsgtaftlrfsrveaedvgvyycmqhleypftfgsgtkleikradaaptv sifppsseqltsggasvvcflnnfypqditvswkidgaerssgvlnswtdqdssdstysm sstltltkdeyerhssytceathktstspitksfnrge