Chains and heterogens:
PDB Chain Sequences:
>1r1a1 (1:) npvenyidevlnevlvvpnikeshhttsnsaplldaaetghtsnvqpedaietryvitsq trdemsiesflgrsgcvhisrikvdytdyngqdinftkwkitlqemaqirrkfelftyvr fdseitlvpciagrgddighivmqymyvppgapipskrndfswqsgtnmsifwqhgqpfp rfsipflsiasayymfydgydgdntsskygsvvtndmgticsrivtekqklsvvitthiy hkakhtkawcprppravpythshvtnympetgdvttaivrrntitta
>1r1a1 (1:) nyidevlnevlvvpnikeshhttsnsaplldaaetghtsnvqpedaietryvitsqtrde msiesflgrsgcvhisrikvdytdyngqdinftkwkitlqemaqirrkfelftyvrfdse itlvpciagrgddighivmqymyvppgapipskrndfswqsgtnmsifwqhgqpfprfsi pflsiasayymfydgydgdntsskygsvvtndmgticsrivtekqklsvvitthiyhkak htkawcprppravpythshvtnympetgdvttaivrrntitta
>1r1a2 (2:) spsveacgysdrimqitrgdstissddvanavvgygvwphyltpqdatainkptqpdtss nrfytleskhwngsskgwwwklpdalkdmgifgenmyyhflgrsgytvhvqcnaskfhqg tllvamipehqlasakhgsvtagyklthpgeagrdvsqerdaslrqpsddswlnfdgtll gnllifphqfinlrsnnsatlivpyvnavpmdsmlrhnnwclviipisplrsettssniv pitvsispmcaefsgaraknikq
>1r1a2 (2:) drimqitrgdstissddvanavvgygvwphyltpqdatainkptqpdtssnrfytleskh wngsskgwwwklpdalkdmgifgenmyyhflgrsgytvhvqcnaskfhqgtllvamipeh qlasakhgsvtagyklthpgeagrdvsqerdaslrqpsddswlnfdgtllgnllifphqf inlrsnnsatlivpyvnavpmdsmlrhnnwclviipisplrsettssnivpitvsispmc aefsgaraknikq
>1r1a3 (3:) glpvyitpgsgqfmttddmqspcalpwyhptkeisipgevknliemcqvdtlipvnnvgn nvgnvsmytvqlgnqtgmaqkvfsikvditstplattligeiasyythwtgslrfsfmfc gtanttlklllaytppgidepttrkdamlgthvvwdvglqstislvvpwvsashfrltad nkysmagyitcwyqtnlvvppstpqtadmlcfvsackdfclrmardtdlhiqsgpieq
>1r1a4 (4:) gagvsrqnvgthstqnsvsngsslnyfninyfkdaassgasrld
>1r1a4 (4:) yfninyfkdaassgasrld