Chains and heterogens:
PDB Chain Sequences:
>4nasA (A:) snanqdssprdavvatyrlrdrkdklearaegiavgltigtwtdlpaarksevakhcgrv egirvlderpdgdvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelv rqfpgpkfgvegvrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddei ffteayatpedrvrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagall vnvvaygydvvadlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadig ifpsmygsvtlgreatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlna gggihghpggarmggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasA (A:) sprdavvatyrlrdrkdklearaegiavgltigtwarksevakhcgrvegirvlderpdg dvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelvrqfpgpkfgveg vrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddeiffteayatpedr vrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagallvnvvaygydvva dlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadigifpsmygsvtlg reatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlnagggihghpggar mggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasB (B:) snanqdssprdavvatyrlrdrkdklearaegiavgltigtwtdlpaarksevakhcgrv egirvlderpdgdvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelv rqfpgpkfgvegvrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddei ffteayatpedrvrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagall vnvvaygydvvadlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadig ifpsmygsvtlgreatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlna gggihghpggarmggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasB (B:) davvatyrlrdrkdklearaegiavgltigtwtdlpaarksevakhcgrvegirvlderp dgdvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelvrqfpgpkfgv egvrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddeiffteayatpe drvrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagallvnvvaygydv vadlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadigifpsmygsvt lgreatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlnagggihghpgg armggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasC (C:) snanqdssprdavvatyrlrdrkdklearaegiavgltigtwtdlpaarksevakhcgrv egirvlderpdgdvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelv rqfpgpkfgvegvrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddei ffteayatpedrvrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagall vnvvaygydvvadlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadig ifpsmygsvtlgreatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlna gggihghpggarmggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasC (C:) davvatyrlrdrkdklearaegiavgltigtwpaarksevakhcgrvegirvlderpdgd vvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelvrqfpgpkfgvegv rrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddeiffteayatpedrv rayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagallvnvvaygydvvad lardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadigifpsmygsvtlgr eatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlnagggihghpggarm ggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasD (D:) snanqdssprdavvatyrlrdrkdklearaegiavgltigtwtdlpaarksevakhcgrv egirvlderpdgdvvaeidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelv rqfpgpkfgvegvrrrlgaynrplvmsifkacagltldelveafgeqaeggvdlvkddei ffteayatpedrvrayaakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagall vnvvaygydvvadlardpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadig ifpsmygsvtlgreatdrllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlna gggihghpggarmggraffdaiwavehgvpleeaakdrpalrqalekwg
>4nasD (D:) rdavvatyrlrdrkdklearaegiavgltigtwrksvakhcgrvegirvlderpdgdvva eidiaypvanlngtfasllvtvfgklsmdgeirlerlqmpdelvrqfpgpkfgvegvrrr lgaynrplvmsifkacagltldelveafgeqaeggvdlvkddeiffteayatpedrvray aakadeiaqrtgrrtayavnltgpvhslrerarrlaelgagallvnvvaygydvvadlar dpdvdvpilahpavsgalygspnygiaadivlgqlmrlagadigifpsmygsvtlgreat drllqhlraegphkpvlpapsagiypglvprlyqdfgvdlvlnagggihghpggarmggr affdaiwavehgvpleeaakdrpalrqalekw