Chains and heterogens:
PDB Chain Sequences:
>4r31A (A:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31A (A:) yfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgyle nepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldg asrhfapleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvyp ayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatikste qkavavvieaarrlisagr
>4r31B (B:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31B (B:) msevfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgylenepv vvcstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldgasrh fapleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvypayqg slkqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatiksteqkav avvieaarrlisag
>4r31C (C:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31C (C:) sevfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgylenepvv vcstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldgasrhf apleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvypayqgs lkqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatiksteqkava vvieaarrlisag
>4r31D (D:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31D (D:) evfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgylenepvvv cstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldgasrhfa pleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvypayqgsl kqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatiksteqkavav vieaarrlisag
>4r31E (E:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31E (E:) evfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgylenepvvv cstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldgasrhfa pleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvypayqgsl kqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatiksteqkavav vieaarrlisa
>4r31F (F:) mhhhhhhssgvdlgtenlyfqsmsevfhlgltkamlkgakiavipgdparseriaqrmdk peflassreftswlgylenepvvvcstgiggpsvsicveelaqlgvgtflrigttgaiqp yinvgdvlvttgavrldgasrhfapleypavadfsctnalysaavaqgitpyvgitassd tfypgqerydtfsgkvypayqgslkqwqdlnvmnyemesatlftmcaalglkagmvagvi vnrtqqeipneatiksteqkavavvieaarrlisagrig
>4r31F (F:) sevfhlgltkamlkgakiavipgdparseriaqrmdkpeflassreftswlgylenepvv vcstgiggpsvsicveelaqlgvgtflrigttgaiqpyinvgdvlvttgavrldgasrhf apleypavadfsctnalysaavaqgitpyvgitassdtfypgqerydtfsgkvypayqgs lkqwqdlnvmnyemesatlftmcaalglkagmvagvivnrtqqeipneatiksteqkava vvieaarrlisag