Chains and heterogens:
PDB Chain Sequences:
>6egrA (A:) msdcrtygfntqivhagqqpdpstgalstpifqtstfvfdsaeqgaarfaleesgyiytr lgnpttdalekklavlergeaglatasgisaitttlltlcqqgdhivsasaiygcthafl shsmpkfginvsfvdaakpeeiraamrpetkvvyietpanptlslvdietvagiahqqga llvvdntfmspycqqplqlgadivvhsvtkyinghgdviggiivgkqefidqarfvglkd itggcmspfnawltlrgvktlgirmerhcenalkiarfleghpsitrvyypglsshpqye lgqrqmslpggiisfeiaggleagrrminsvelcllavslgdtetliqhpasmthspyap eerlkagitdglirlsvgledpediindlehairkatf
>6egrA (A:) sdcrtygfntqivhagqqpdpstgalstpifqtstfvfdsaeqgaarfaleesgyiytrl gnpttdalekklavlergeaglatasgisaitttlltlcqqgdhivsasaiygcthafls hsmpkfginvsfvdaakpeeiraamrpetkvvyietpanptlslvdietvagiahqqgal lvvdntfmspycqqplqlgadivvhsvtkyinghgdviggiivgkqefidqarfvglkdi tggcmspfnawltlrgvktlgirmerhcenalkiarfleghpsitrvyypglsshpqyel gqrqmslpggiisfeiaggleagrrminsvelcllavslgdtetliqhpasmthspyape erlkagitdglirlsvgledpediindlehairkat