Chains and heterogens:
PDB Chain Sequences:
>1swaA (A:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvkp
>1swaB (B:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swaB (B:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swaC (C:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swaC (C:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swaD (D:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swaD (D:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv