Chains and heterogens:
PDB Chain Sequences:
>1szsA (A:) mnsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhp kvvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavk iaraatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgise ddaiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliade vqsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyag npiacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielf edgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqc fdeakq
>1szsA (A:) nsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhpk vvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavki araatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgised daiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliadev qsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyagn piacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielfe dgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqcf deakq
>1szsB (B:) mnsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhp kvvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavk iaraatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgise ddaiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliade vqsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyag npiacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielf edgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqc fdeakq
>1szsB (B:) nsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhpk vvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavki araatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgised daiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliadev qsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyagn piacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielfe dgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqcf deakq
>1szsC (C:) mnsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhp kvvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavk iaraatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgise ddaiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliade vqsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyag npiacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielf edgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqc fdeakq
>1szsC (C:) nsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhpk vvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavki araatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgised daiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliadev qsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyagn piacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielfe dgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqcf deakq
>1szsD (D:) mnsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhp kvvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavk iaraatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgise ddaiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliade vqsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyag npiacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielf edgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqc fdeakq
>1szsD (D:) nsnkelmqrrsqaiprgvgqihpifadraencrvwdvegreyldfaggqavlntghlhpk vvaaveaqlkklshtcfqvlayepylelceimnqkvpgdfakktllvttgseavenavki araatkrsgtiafsgayhgrthytlaltgkvnpysagmglmpghvyralypcplhgised daiasihrifkndaapediaaiviepvqgeggfyasspafmqrlralcdehgimliadev qsgagrtgtlfameqmgvapdlttfaksiaggfplagvtgraevmdavapgglggtyagn piacvaalevlkvfeqenllqkandlgqklkdgllaiaekhpeigdvrglgamiaielfe dgdhnkpdakltaeivarardkglillscgpyynvlrilvpltiedaqirqgleiisqcf deakq