Chains and heterogens:
PDB Chain Sequences:
>2nqsA (A:) mefttglmsldtalnemlsrvtpltaqetlplvqcfgrilasdvvspldvpgfdnsamdg yavrladiasgqplpvagksfagqpyhgewpagtcirimtgapvpegceavvmqeqteqm dngvrftaevrsgqnirrrgedisagavvfpagtrlttaelpviaslgiaevpvirkvrv alfstgdalqlpgqplgdgqiydtnrlavhlmleqlgcevinlgiirddphalraafiea dsqadvvissggvsvgeadytktileelgeiafwklaikpgkpfafgklsnswfcglpgn pvsatltfyqlvqpllaklsgntasglparqrvrtasrlkktpgrldfqrgvlqrnadge levtttghqgshifssfslgncfivlerdrgnvevgewvevepfnalfggl
>2nqsA (A:) lmsldtalnemlsrvtpltaqetlplvqcfgrilasdvvspldvpgfdnsamdgyavrla diasgqplpvagksfagqpyhgewpagtcirimtgapvpegceavvmqeqteqmdngvrf taevrsgqnirrrgedisagavvfpagtrlttaelpviaslgiaevpvirkvrvalfstg dalqlpgqplgdgqiydtnrlavhlmleqlgcevinlgiirddphalraafieadsqadv vissggvsvgeadytktileelgeiafwklaikpgkpfafgklsnswfcglpgnpvsatl tfyqlvqpllaklsgntasglparqrvrtasrlkktpgrldfqrgvlqrnadgelevttt ghqgshifssfslgncfivlerdrgnvevgewvevepfnalfg
>2nqsB (B:) mefttglmsldtalnemlsrvtpltaqetlplvqcfgrilasdvvspldvpgfdnsamdg yavrladiasgqplpvagksfagqpyhgewpagtcirimtgapvpegceavvmqeqteqm dngvrftaevrsgqnirrrgedisagavvfpagtrlttaelpviaslgiaevpvirkvrv alfstgdalqlpgqplgdgqiydtnrlavhlmleqlgcevinlgiirddphalraafiea dsqadvvissggvsvgeadytktileelgeiafwklaikpgkpfafgklsnswfcglpgn pvsatltfyqlvqpllaklsgntasglparqrvrtasrlkktpgrldfqrgvlqrnadge levtttghqgshifssfslgncfivlerdrgnvevgewvevepfnalfggl
>2nqsB (B:) lmsldtalnemlsrvtpltaqetlplvqcfgrilasdvvspldvpgfdnsamdgyavrla diasgqplpvagksfagqpyhgewpagtcirimtgapvpegceavvmqeqteqmdngvrf taevrsgqnirrrgedisagavvfpagtrlttaelpviaslgiaevpvirkvrvalfstg dalqlpgqplgdgqiydtnrlavhlmleqlgcevinlgiirddphalraafieadsqadv vissggvsvgeadytktileelgeiafwklaikpgkpfafgklsnswfcglpgnpvsatl tfyqlvqpllaklsgntasglparqrvrtasrlkktpgrldfqrgvlqrnadgelevttt ghqgshifssfslgncfivlerdrgnvevgewvevepfnalfg