eF-site ID 3q8x-ABCD PDB Code 3q8x Chain A, B, C, D click to enlarge Title Structure of a toxin-antitoxin system bound to its substrate Classification TRANSFERASE Compound Antidote of epsilon-zeta postsegregational killing system Source (ZTOX_STRPY) Sequence A:  VTYEKTFEIEIINELSASVYNRVLNYVLNHELNKNDSQLL EVNLLNQLKLAKRVNLFDYSLEELQAVHEYWRSMNRYSKQ VLNKE B:  NIVNFTDKQFENRLNDNLEELIQGKKAVESPTAFLLGGQP GSGKTSLRSAIFEETQGNVIVIDNDTFKQQHPNFDELVKL YEKDVVKHVTPYSNRMTEAIISRLSDQGYNLVIEGTGRTT DVPIQTATMLQAKGYETKMYVMAVPKINSYLGTIERYETM YADDPMTARATPKQAHDIVVKNLPTNLETLHKTGLFSDIR LYNREGVKLYSSLETPSISPKETLEKELNRKVSGKEIQPT LERIEQKMVLNKHQETPEFKAIQQKLESLQPP C:  AVTYEKTFEIEIINELSASVYNRVLNYVLNHELNKNDSQL LEVNLLNQLKLAKRVNLFDYSLEELQAVHEYWRSMNRYSK QVLNK D:  ANIVNFTDKQFENRLNDNLEELIQGKKAVESPTAFLLGGQ PGSGKTSLRSAIFEETQGNVIVIDNDTFKQQHPNFDELVK LYEKDVVKHVTPYSNRMTEAIISRLSDQGYNLVIEGTGRT TDVPIQTATMLQAKGYETKMYVMAVPKINSYLGTIERYET MYADDPMTARATPKQAHDIVVKNLPTNLETLHKTGLFSDI RLYNREGVKLYSSLETPSISPKETLEKELNRKVSGKEIQP TLERIEQKMVLNKHQETPEFKAIQQKLESLQ Description Functional site 1) chain A residue 12 type sequence E description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 2) chain B residue 41 type sequence Q description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 3) chain B residue 42 type sequence P description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 4) chain B residue 43 type sequence G description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 5) chain B residue 44 type sequence S description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 6) chain B residue 45 type sequence G description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 7) chain B residue 46 type sequence K description BINDING SITE FOR RESIDUE SO4 B 602 source : AC1 8) chain C residue 12 type sequence E description BINDING SITE FOR RESIDUE SO4 D 603 source : AC2 9) chain D residue 43 type sequence G description BINDING SITE FOR RESIDUE SO4 D 603 source : AC2 10) chain D residue 44 type sequence S description BINDING SITE FOR RESIDUE SO4 D 603 source : AC2 11) chain D residue 45 type sequence G description BINDING SITE FOR RESIDUE SO4 D 603 source : AC2 12) chain D residue 46 type sequence K description BINDING SITE FOR RESIDUE SO4 D 603 source : AC2 13) chain D residue 65 type sequence D description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 14) chain D residue 66 type sequence N description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 15) chain D residue 67 type sequence D description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 16) chain D residue 100 type sequence E description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 17) chain D residue 103 type sequence I description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 18) chain D residue 115 type sequence I description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 19) chain D residue 116 type sequence E description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 20) chain D residue 117 type sequence G description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 21) chain D residue 118 type sequence T description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 22) chain D residue 120 type sequence R description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 23) chain D residue 124 type sequence V description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 24) chain D residue 128 type sequence T description BINDING SITE FOR RESIDUE UD1 D 288 source : AC3 25) chain B residue 66 type BINDING sequence N description source Swiss-Prot : SWS_FT_FI3 26) chain D residue 128 type BINDING sequence T description source Swiss-Prot : SWS_FT_FI3 27) chain B residue 100 type BINDING sequence E description source Swiss-Prot : SWS_FT_FI3 28) chain B residue 118 type BINDING sequence T description source Swiss-Prot : SWS_FT_FI3 29) chain B residue 120 type BINDING sequence R description source Swiss-Prot : SWS_FT_FI3 30) chain B residue 128 type BINDING sequence T description source Swiss-Prot : SWS_FT_FI3 31) chain D residue 66 type BINDING sequence N description source Swiss-Prot : SWS_FT_FI3 32) chain D residue 100 type BINDING sequence E description source Swiss-Prot : SWS_FT_FI3 33) chain D residue 118 type BINDING sequence T description source Swiss-Prot : SWS_FT_FI3 34) chain D residue 120 type BINDING sequence R description source Swiss-Prot : SWS_FT_FI3 35) chain B residue 67 type ACT_SITE sequence D description Proton acceptor => ECO:0000305 source Swiss-Prot : SWS_FT_FI1 36) chain D residue 67 type ACT_SITE sequence D description Proton acceptor => ECO:0000305 source Swiss-Prot : SWS_FT_FI1 37) chain B residue 40 type BINDING sequence G description BINDING => ECO:0000305|PubMed:12571357 source Swiss-Prot : SWS_FT_FI2 38) chain D residue 40 type BINDING sequence G description BINDING => ECO:0000305|PubMed:12571357 source Swiss-Prot : SWS_FT_FI2

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