Chains and heterogens:
PDB Chain Sequences:
>1swbA (A:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvkp
>1swbB (B:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swbB (B:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swbC (C:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swbC (C:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swbD (D:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
>1swbD (D:) gitgtwynqlgstfivtagadgaltgtyesnaesryvltgrydsapatdgsgtalgwtva wknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv