Chains and heterogens:
PDB Chain Sequences:
>1kb0A (A:) tgpaaqaaaavqrvdgdfiranaartpdwptigvdyaetrysrldqinaanvkdlglaws ynlestrgveatpvvvdgimyvsaswsvvhaidtrtgnriwtydpqidrstgfkgccdvv nrgvalwkgkvyvgawdgrlialdaatgkevwhqntfegqkgsltitgaprvfkgkviig nggaeygvrgyitaydaetgerkwrwfsvpgdpskpfedesmkraartwdpsgkwweagg ggtmwdsmtfdaelntmyvgtgngspwshkvrspkggdnlylasivaldpdtgkykwhyq etpgdnwdytstqpmiladikiagkprkvilhapkngfffvldrtngkfisaknfvpvnw asgydkhgkpigiaaardgskpqdavpgpygahnwhpmsfnpqtglvylpaqnvpvnlmd dkkwefnqagpgkpqsgtgwntakffnaeppkskpfgrllawdpvaqkaawsvehvspwn ggtlttagnvvfqgtadgrlvayhaatgeklweaptgtgvvaapstymvdgrqyvsvavg wggvyglaaraterqgpgtvytfvvggkarmpefvaqrtgqllqgvkydpakveagtmly vancvfchgvpgvdrggnipnlgymdasyienlpnfvfkgpamvrgmpdftgklsgddve slkafiqgtadairp
>1kb0A (A:) tgpaaqaaaavqrvdgdfiranaartpdwptigvdyaetrysrldqinaanvkdlglaws ynlestrgveatpvvvdgimyvsaswsvvhaidtrtgnriwtydpqidrstgfkgccdvv nrgvalwkgkvyvgawdgrlialdaatgkevwhqntfegqkgsltitgaprvfkgkviig nggaeygvrgyitaydaetgerkwrwfsvpgdpskpfedesmkraartwdpsgkwweagg ggtmwdsmtfdaelntmyvgtgngspwshkvrspkggdnlylasivaldpdtgkykwhyq etpgdnwdytstqpmiladikiagkprkvilhapkngfffvldrtngkfisaknfvpvnw asgydkhgkpigiaaardgskpqdavpgpygahnwhpmsfnpqtglvylpaqnvpvnlmd dkkwefnqagpgkpqsgtgwntakffnaeppkskpfgrllawdpvaqkaawsvehvspwn ggtlttagnvvfqgtadgrlvayhaatgeklweaptgtgvvaapstymvdgrqyvsvavg wggvyglaaraterqgpgtvytfvvggkarmpetgqllqgvkydpakveagtmlyvancv fchgvpgvdrggnipnlgymdasyienlpnfvfkgpamvrgmpdftgklsgddveslkaf iqgtadairp