Chains and heterogens:
PDB Chain Sequences:
>1plr_ (-) mleakfeeaslfkriidgfkdcvqlvnfqckedgiiaqavddsrvllvsleigveafqey rcdhpvtlgmdltslskilrcgnntdtltliadntpdsiillfedtkkdriaeyslklmd idadflkieelqydstlslpssefskivrdlsqlsdsinimitketikfvadgdigsgsv iikpfvdmehpetsiklemdqpvdltfgakylldiikgsslsdrvgirlsseapalfqfd lksgflqfflapkfndee