Chains and heterogens:
PDB Chain Sequences:
>1swrA (A:) aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftk vkpsaas
>1swrA (A:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftk
>1swrB (B:) aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftk vkpsaas
>1swrB (B:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftkv
>1swrC (C:) aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftk vkpsaas
>1swrC (C:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftkv
>1swrD (D:) aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftk vkpsaas
>1swrD (D:) gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanaakstlvghdtftkv