Chains and heterogens:
PDB Chain Sequences:
>4lgnA (A:) mattqpytwsnvaiggggfvdgivfnegapgilyvrtdiggmyrwdaangrwiplldwvg wnnwgyngvvsiaadpintnkvwaavgmytnswdpndgailrssdqgatwqitplpfklg gnmpgrgmgerlavdpnndnilyfgapsgkglwrstdsgatwsqmtnfpdvgtyianptd ttgyqsdiqgvvwvafdksssslgqasktifvgvadpnnpvfwsrdggatwqavpgaptg fiphkgvfdpvnhvlyiatsntggpydgssgdvwkfsvtsgtwtrispvpstdtandyfg ysgltidrqhpntimvatqiswwpdtiifrstdggatwtriwdwtsypnrslryvldisa epwltfgvqpnppvpspklgwmdeamaidpfnsdrmlygtgatlyatndltkwdsggqih iapmvkgleetavndlisppsgaplisalgdlggfthadvtavpstiftspvfttgtsvd yaelnpsiivragsfdpssqpndrhvafstdggknwfqgsepggvttggtvaasadgsrf vwapgdpgqpvvyavgfgnswaasqgvpanaqirsdrvnpktfyalsngtfyrstdggvt fqpvaaglpssgavgvmfhavpgkegdlwlaassglyhstnggsswsaitgvssavnvgf gksapgssypavfvvgtiggvtgayrsddggttwvrinddqhqygnwgqaitgdpriygr vyigtngrgivygdiagapsglehhhhhh
>4lgnA (A:) ttqpytwsnvaiggggfvdgivfnegapgilyvrtdiggmyrwdaangrwiplldwvgwn nwgyngvvsiaadpintnkvwaavgmytnswdpndgailrssdqgatwqitplpfklggn mpgrgmgerlavdpnndnilyfgapsgkglwrstdsgatwsqmtnfpdvgtyianptdtt gyqsdiqgvvwvafdksssslgqasktifvgvadpnnpvfwsrdggatwqavpgaptgfi phkgvfdpvnhvlyiatsntggpydgssgdvwkfsvtsgtwtrispvpstdtandyfgys gltidrqhpntimvatqiswwpdtiifrstdggatwtriwdwtsypnrslryvldisaep wltfgvqpnppvpspklgwmdeamaidpfnsdrmlygtgatlyatndltkwdsggqihia pmvkgleetavndlisppsgaplisalgdlggfthadvtavpstiftspvfttgtsvdya elnpsiivragsfdpssqpndrhvafstdggknwfqgsepggvttggtvaasadgsrfvw apgdpgqpvvyavgfgnswaasqgvpanaqirsdrvnpktfyalsngtfyrstdggvtfq pvaaglpssgavgvmfhavpgkegdlwlaassglyhstnggsswsaitgvssavnvgfgk sapgssypavfvvgtiggvtgayrsddggttwvrinddqhqygnwgqaitgdpriygrvy igtngrgivygdiagapsg