Chains and heterogens:
PDB Chain Sequences:
>3a4vA (A:) milvtgssgqigtelvpylaekygkknviasdivqrdtggikfitldvsnrdeidravek ysidaifhlagilsakgekdpalaykvnmngtynileaakqhrvekvvipstigvfgpet pknkvpsititrprtmygvtkiaaellgqyyyekfgldvrslrypgiisykaeptagttd yaveifyyavkrekykcylapnralpmmympdalkalvdlyeadrdklvlrngynvtayt ftpselyskikeripefeieykedfrdkiaatwpesldsseasnewgfsieydldrtidd midhiseklgiegkhal
>3a4vA (A:) milvtgssgqigtelvpylaekygkknviasdivqrdtggikfitldvsnrdeidravek ysidaifhlagilsakgekdpalaykvnmngtynileaakqhrvekvvipstigvfgpet pknkvpsititrprtmygvtkiaaellgqyyyekfgldvrslrypgiisykaeptagttd yaveifyyavkrekykcylapnralpmmympdalkalvdlyeadrdklvlrngynvtayt ftpselyskikeripefeieykedfrdkiaatwpesldsseasnewgfsieydldrtidd midhiseklgi
>3a4vB (B:) milvtgssgqigtelvpylaekygkknviasdivqrdtggikfitldvsnrdeidravek ysidaifhlagilsakgekdpalaykvnmngtynileaakqhrvekvvipstigvfgpet pknkvpsititrprtmygvtkiaaellgqyyyekfgldvrslrypgiisykaeptagttd yaveifyyavkrekykcylapnralpmmympdalkalvdlyeadrdklvlrngynvtayt ftpselyskikeripefeieykedfrdkiaatwpesldsseasnewgfsieydldrtidd midhiseklgiegkhal
>3a4vB (B:) milvtgssgqigtelvpylaekygkknviasdivqrdtggikfitldvsnrdeidravek ysidaifhlagilsakgekdpalaykvnmngtynileaakqhrvekvvipstigvfgpet pknkvpsititrprtmygvtkiaaellgqyyyekfgldvrslrypgiisykaeptagttd yaveifyyavkrekykcylapnralpmmympdalkalvdlyeadrdklvlrngynvtayt ftpselyskikeripefeieykedfrdkiaatwpesldsseasnewgfsieydldrtidd midhisek