Chains and heterogens:
PDB Chain Sequences:
>1s07A (A:) mttddlafdqrhilhpytsmtsplpvypvvsaegcelilsdgrrlvdgmsswwaaihgyn hpqlnaamksqidamshvmfggithapaielcrklvamtpqplecvfladsgsvavevam kmalqywqakgearqrfltfrngyhgdtfgamsvcdpdnsmhslwkgylpenlfapapqs rmdgewderdmvgfarlmaahrheiaaviiepivqgaggmrmyhpewlkrirkicdregi lliadeiatgfgatgklfacehaeiapdilclgkaltggtmtlsatlttrevaetisnge agcfmhgptfmgnplacaaanaslailesgdwqqqvadievqlreqlapardaemvadvr vlgaigvvetthpvnmaalqkffveqgvwirpfgkliylmppyiilpqqlqrltaavnra vqdetffcq
>1s07B (B:) mttddlafdqrhilhpytsmtsplpvypvvsaegcelilsdgrrlvdgmsswwaaihgyn hpqlnaamksqidamshvmfggithapaielcrklvamtpqplecvfladsgsvavevam kmalqywqakgearqrfltfrngyhgdtfgamsvcdpdnsmhslwkgylpenlfapapqs rmdgewderdmvgfarlmaahrheiaaviiepivqgaggmrmyhpewlkrirkicdregi lliadeiatgfgatgklfacehaeiapdilclgkaltggtmtlsatlttrevaetisnge agcfmhgptfmgnplacaaanaslailesgdwqqqvadievqlreqlapardaemvadvr vlgaigvvetthpvnmaalqkffveqgvwirpfgkliylmppyiilpqqlqrltaavnra vqdetffcq
>1s07B (B:) mttddlafdqrhilhpytsmtsplpvypvvsaegcelilsdgrrlvdgmsswwaaihgyn hpqlnaamksqidamshvmfggithapaielcrklvamtpqplecvfladsgsvavevam kmalqywqakgearqrfltfrngyhgdtfgamsvcdpdnsmhslwkgylpenlfapapqs rmdgewderdmvgfarlmaahrheiaaviiepivqgaggmrmyhpewlkrirkicdregi lliadeiatgfgatgklfacehaeiapdilclgkaltggtmtlsatlttrevaetisnge agcfmhgptfmgnplacaaanaslailesgdwqqqvadievqlreqlapardaemvadvr vlgaigvvetthpvnmaalqkffveqgvwirpfgkliylmppyiilpqqlqrltaavnra vqdetffc