Chains and heterogens:
PDB Chain Sequences:
>1kvpA (A:) sniqtgaermphdlshlgflagqigrlitisttpviagdsfemdavgalrlsplrrglai dstvdiftfyvphrhvygeqwikfmkdgvnatplptvnttgyidhaaflgtinpdtnkip khlfqgylniynnyfkapwmpdrteanpnelnqddarygfrcchlkniwtaplppetels rqmttstgmapvttkfrdvpnlsgtplifrdnkgrtiktgqlgigpvdagflvaqntaqa angeraipsnlwadlsnatsidimglqaayanlhtdqerdyfmqryrdvissfggktsyd adnrpllvmrsnlwasgydvdgtdqtslgqfsgrvqqtykhsvprffvpehgtmftlalv rfpptatkeiqylnakgaltytdiagdpvlygnlppreismkdvfrsgdsskkfkiaegq wyryapsyvspayhllegfpfiqeppsgdlqervlirhhdydqcfqsvqllqwnsqvkfn vtvyrnlpttrdsimts