Chains and heterogens:
PDB Chain Sequences:
>4r1rA (A:) mnqnllvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihe tiikaaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhll edyteeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaacl fsnypretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinat ssaivkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrgg aatlfypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsd vpglydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhc nthspfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldelee lailavraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlt hktfeaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwe alresikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdye hlhdayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdllt aykfgvktlyyqntrdgaedaqddlvpsiqddgcesgacki
>4r1rA (A:) llvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihetiik aaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhlledyt eeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaaclfsny pretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinatssai vkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrggaatl fypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsdvpgl ydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhcnths pfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldeleelail avraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlthktf eaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwealre sikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdyehlhd ayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdlltaykf gvktlyyqntrdg
>4r1rB (B:) mnqnllvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihe tiikaaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhll edyteeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaacl fsnypretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinat ssaivkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrgg aatlfypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsd vpglydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhc nthspfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldelee lailavraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlt hktfeaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwe alresikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdye hlhdayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdllt aykfgvktlyyqntrdgaedaqddlvpsiqddgcesgacki
>4r1rB (B:) llvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihetiik aaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhlledyt eeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaaclfsny pretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinatssai vkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrggaatl fypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsdvpgl ydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhcnths pfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldeleelail avraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlthktf eaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwealre sikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdyehlhd ayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdlltaykf gvktlyyqntrdg
>4r1rC (C:) mnqnllvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihe tiikaaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhll edyteeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaacl fsnypretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinat ssaivkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrgg aatlfypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsd vpglydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhc nthspfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldelee lailavraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlt hktfeaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwe alresikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdye hlhdayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdllt aykfgvktlyyqntrdgaedaqddlvpsiqddgcesgacki
>4r1rC (C:) llvtkrdgsterinldkihrvldwaaeglhnvsisqvelrshiqfydgiktsdihetiik aaadlisrdapdyqylaarlaifhlrkkaygqfeppalydhvvkmvemgkydnhlledyt eeefkqmdtfidhdrdmtfsyaavkqlegkylvqnrvtgeiyesaqflyilvaaclfsny pretrlqyvkrfydavstfkislptpimsgvrtptrqfsscvliecgdsldsinatssai vkyvsqragiginagriralgspirggeafhtgcipfykhfqtavksasqggvrggaatl fypmwhlevesllvlknnrgvegnrvrhmdygvqinklmytrllkgeditlfspsdvpgl ydaffadqeeferlytkyekddsirkqrvkavelfslmmqerastgriyiqnvdhcnths pfdpaiapvrqsnlcleialptkplndvndengeialctlsafnlgainnldeleelail avraldalldyqdypipaakrgamgrrtlgigvinfayylakhgkrysdgsannlthktf eaiqyyllkasnelakeqgacpwfnettyakgilpidtykkdldtianeplhydwealre sikthglrnstlsalmpsetssqisnatngiepprgyvsikaskdgilrqvvpdyehlhd ayellwempgndgylqlvgimqkfidqsisantnydpsrfpsgkvpmqqllkdlltaykf gvktlyyqntrdg