Chains and heterogens:
PDB Chain Sequences:
>4p7yA (A:) sdcrtygfntqivhagqqpdpstgalstpifqtstfvfdsaeqgaarfaleesgyiftrl gnpttdalekklavlergeaglatasgisaitttlltlcqqgdhivsasaiygcthafls hsmpkfginvsfvdaakpeeiraamrpetkvvyietpanptlslvdietvagiahqqgal lvvdntfmspycqqplqlgadivvhsvtkyinghgdviggiivgkqefidqarfvglkdi tggcmspfnawltlrgvktlgirmerhcenalkiarfleghpsitrvyypglsshpqyel gqrqmslpggiisfeiaggleagrrminsvelcllavslgdtetliqhpasmthspvape erlkagitdglirlsvgledpediindlehairkat