Chains and heterogens:
PDB Chain Sequences:
>1szhA (A:) gssstltkelikdaaekcctrnrqeccieimkfgtpircgydrdpklpgyvykclqnvlf akepkkkinlddsvccsvfgndqedsgrrcenrcknlmtspsidaatrldsikscslldn vlykcfekcrslrkdgikievlqfeeyceatfiqkrtfrgv
>1szhA (A:) stltkelikdaaekcctrnrqeccieimkfgtpircgydrdpklpgyvykclqnvlfake pkkkinlddsvccsvfgndqedsgrrcenrcknlmtspsidaatrldsikscslldnvly kcfekcrslrkdgikievlqfeeycea
>1szhB (B:) gssstltkelikdaaekcctrnrqeccieimkfgtpircgydrdpklpgyvykclqnvlf akepkkkinlddsvccsvfgndqedsgrrcenrcknlmtspsidaatrldsikscslldn vlykcfekcrslrkdgikievlqfeeyceatfiqkrtfrgv
>1szhB (B:) ltkelikdaaekcctrnrqeccieimkfgtpircgydrdpklpgyvykclqnvlfakepk kkinlddsvccsvfgndqedsgrrcenrcknlmtspsidaatrldsikscslldnvlykc fekcrslrkdgikievlqfeeyc