eF-site ID 3aix-AB PDB Code 3aix Chain A, B click to enlarge Title Crystal structure of PCNA2-PCNA3 complex from Sulfolobus tokodaii (I222) Classification REPLICATION Compound DNA polymerase sliding clamp C Source null (PCNA2_SULTO) Sequence A:  MRVKVIDADAFSYIFRTLEEFIDEITLDFTSDGLKIRGID PSRVTFIDILIPAGYFEEYNVEKEEKVGVKLEDFTDVLKT VTKNDSLYLETDENQNIKVTLDGVYERTFTFPSIVASEIE TPNLNLEFPFKAKALTVTFTDIIDEIEDIGGDSITFKAEG GKLYLSANSDMGSSTIELSTENGGLLESEGGDAESVYGLE YVVNTSKMRKPSDTVEIAFGSQIPLKLRYNLPQGGYADFY IAPRA B:  MIKATYSSAKDFYSLLSGLLKVTDEIILNFTEDSIFSRYL TDDKVLMVIFKIPKEYLEDYTIDKPLGIKININDLKKILG KAKSKSATVTLEETEAGLKVTVRDEKTGTRSNIYIKGEKT SIDQLTEPKVNLSVTFTTDGDVLKDIARDLSLVGEEVEIS ADENTVTLSTEEAGRTYKSLLKQDKPLKSLNVESPSKAVY SIEVLKDVFKVTSISQNVTVGFGNNIPMKIEVPTDSGGQL IFWIAPRL Description Functional site 1) chain A residue 16 type sequence R description BINDING SITE FOR RESIDUE SO4 A 247 source : AC1 2) chain A residue 79 type sequence K description BINDING SITE FOR RESIDUE SO4 A 247 source : AC1 3) chain A residue 207 type sequence K description BINDING SITE FOR RESIDUE SO4 A 247 source : AC1 4) chain A residue 40 type sequence D description BINDING SITE FOR RESIDUE SO4 A 248 source : AC2 5) chain A residue 41 type sequence P description BINDING SITE FOR RESIDUE SO4 A 248 source : AC2 6) chain A residue 42 type sequence S description BINDING SITE FOR RESIDUE SO4 A 248 source : AC2 7) chain A residue 201 type sequence Y description BINDING SITE FOR RESIDUE SO4 A 248 source : AC2 8) chain A residue 152 type sequence D description BINDING SITE FOR RESIDUE SO4 A 249 source : AC3 9) chain A residue 153 type sequence S description BINDING SITE FOR RESIDUE SO4 A 249 source : AC3 10) chain A residue 168 type sequence N description BINDING SITE FOR RESIDUE SO4 A 249 source : AC3 11) chain A residue 33-56 type prosite sequence GLKIRGIDPSRVTFIDILIPAGYF description PCNA_1 Proliferating cell nuclear antigen signature 1. GLkIrGIDpSRVtFIdIlIpagyF source prosite : PS01251

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