Chains and heterogens:
PDB Chain Sequences:
>1issA (A:) ssqrsvarmdgdviigalfsvhhqppaekvperkcgeireqygiqrveamfhtldkinad pvllpnitlgseirdscwhssvaleqsiefirdslisirdekdglnrclpdgqtlppgrt kkpiagvigpgsssvaiqvqnllqlfdipqiaysatsidlsdktlykyflrvvpsdtlqa ramldivkrynwtyvsavhtegnygesgmdafkelaaqeglciahsdkiysnageksfdr llrklrerlpkarvvvcfcegmtvrgllsamrrlgvvgefsligsdgwadrdeviegyev eanggitiklqspevrsfddyflklrldtntrnpwfpefwqhrfqcrlpghllenpnfkk vctgnesleenyvqdskmgfvinaiyamahglqnmhhalcpghvglcdamkpidgrklld flikssfvgvsgeevwfdekgdapgrydimnlqyteanrydyvhvgtwhegvlniddyki qmnksgmvrs
>1issA (A:) rsvarmdgdviigalfsvhhqppaekvperkcgeireqygiqrveamfhtldkinadpvl lpnitlgseirdscwhssvaleqsiefirdslikpiagvigpgsssvaiqvqnllqlfdi pqiaysatsidlsdktlykyflrvvpsdtlqaramldivkrynwtyvsavhtegnygesg mdafkelaaqeglciahsdkiysnageksfdrllrklrerlpkarvvvcfcegmtvrgll samrrlgvvgefsligsdgwadrdeviegyeveanggitiklqspevrsfddyflklrld tntrnpwfpefwqhrfqcrlpghllenpnfkkvctgnesleenyvqdskmgfvinaiyam ahglqnmhhalcpghvglcdamkpidgrklldflikssfvgvsgeevwfdekgdapgryd imnlqyteanrydyvhvgtwhegvlniddyki
>1issB (B:) ssqrsvarmdgdviigalfsvhhqppaekvperkcgeireqygiqrveamfhtldkinad pvllpnitlgseirdscwhssvaleqsiefirdslisirdekdglnrclpdgqtlppgrt kkpiagvigpgsssvaiqvqnllqlfdipqiaysatsidlsdktlykyflrvvpsdtlqa ramldivkrynwtyvsavhtegnygesgmdafkelaaqeglciahsdkiysnageksfdr llrklrerlpkarvvvcfcegmtvrgllsamrrlgvvgefsligsdgwadrdeviegyev eanggitiklqspevrsfddyflklrldtntrnpwfpefwqhrfqcrlpghllenpnfkk vctgnesleenyvqdskmgfvinaiyamahglqnmhhalcpghvglcdamkpidgrklld flikssfvgvsgeevwfdekgdapgrydimnlqyteanrydyvhvgtwhegvlniddyki qmnksgmvrs
>1issB (B:) rsvarmdgdviigalfsvhhqppaekvperkcgeireqygiqrveamfhtldkinadpvl lpnitlgseirdscwhssvaleqsiefirdslikpiagvigpgsssvaiqvqnllqlfdi pqiaysatsidlsdktlykyflrvvpsdtlqaramldivkrynwtyvsavhtegnygesg mdafkelaaqeglciahsdkiysnageksfdrllrklrerlpkarvvvcfcegmtvrgll samrrlgvvgefsligsdgwadrdeviegyeveanggitiklqspevrsfddyflklrld tntrnpwfpefwqhrfqcrlpghllenpnfkkvctgnesleenyvqdskmgfvinaiyam ahglqnmhhalcpghvglcdamkpidgrklldflikssfvgvsgeevwfdekgdapgryd imnlqyteanrydyvhvgtwhegvlniddyki