Class b: All beta proteins [48724] (165 folds) |
Fold b.3: Prealbumin-like [49451] (7 superfamilies) sandwich; 7 strands in 2 sheets, greek-key variations: some members have additional 1-2 strands to common fold |
Superfamily b.3.6: Aromatic compound dioxygenase [49482] (1 family) |
Family b.3.6.1: Aromatic compound dioxygenase [49483] (4 proteins) sandwich; 9 strands in 2 sheets |
Protein Protocatechuate-3,4-dioxygenase, alpha chain [49486] (2 species) alpha and beta chains are derived from a single-chain protomer and share this fold |
Acinetobacter calcoaceticus, adp1 [TaxId:471] [49488] (12 PDB entries) |
Domain d1eo2a_: 1eo2 A: [22733] Other proteins in same PDB: d1eo2b_ complexed with fe |
Domain d1eo9a_: 1eo9 A: [22731] Other proteins in same PDB: d1eo9b_ complexed with fe, so4 |
Domain d1eoaa_: 1eoa A: [22732] Other proteins in same PDB: d1eoab_ complexed with cyn, fe |
Domain d1eoba_: 1eob A: [22734] Other proteins in same PDB: d1eobb_ complexed with dhb, fe |
Domain d1eoca_: 1eoc A: [22735] Other proteins in same PDB: d1eocb_ complexed with 4nc, fe |
Domain d2buma1: 2bum A:4-200 [129221] Other proteins in same PDB: d2bumb1 automatically matched to d1eo2a_ complexed with fe, hyd |
Domain d2buqa1: 2buq A:4-200 [129225] Other proteins in same PDB: d2buqb1 automatically matched to d1eo2a_ complexed with caq, fe |
Domain d2bura1: 2bur A:4-200 [129227] Other proteins in same PDB: d2burb1 automatically matched to d1eo2a_ complexed with fe, phb |
Domain d2buta1: 2but A:4-200 [129229] automatically matched to d1eo2a_ complexed with fe, hyd; mutant |
Domain d2buua1: 2buu A:4-200 [129230] automatically matched to d1eo2a_ complexed with 4nc, fe; mutant |
Domain d2buva1: 2buv A:4-200 [129231] automatically matched to d1eo2a_ complexed with dhb, fe; mutant |
Domain d2buwa1: 2buw A:4-200 [129232] automatically matched to d1eo2a_ complexed with fe, phb; mutant |
Pseudomonas aeruginosa [TaxId:287] [49487] (21 PDB entries) |
Domain d1ykka1: 1ykk A:1-200 [123524] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykkc1: 1ykk C:1-200 [123525] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykke1: 1ykk E:1-200 [123526] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykkg1: 1ykk G:1-200 [123527] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykki1: 1ykk I:1-200 [123528] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykkk1: 1ykk K:1-200 [123529] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykla1: 1ykl A:1-200 [123530] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1yklc1: 1ykl C:1-200 [123531] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykle1: 1ykl E:1-200 [123532] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1yklg1: 1ykl G:1-200 [123533] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykli1: 1ykl I:1-200 [123534] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1yklk1: 1ykl K:1-200 [123535] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykma1: 1ykm A:1-200 [123536] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykmc1: 1ykm C:1-200 [123537] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykme1: 1ykm E:1-200 [123538] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykmg1: 1ykm G:1-200 [123539] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykmi1: 1ykm I:1-200 [123540] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykmk1: 1ykm K:1-200 [123541] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykna1: 1ykn A:1-200 [123542] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1yknc1: 1ykn C:1-200 [123543] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykne1: 1ykn E:1-200 [123544] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykng1: 1ykn G:1-200 [123545] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykni1: 1ykn I:1-200 [123546] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1yknk1: 1ykn K:1-200 [123547] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykoa1: 1yko A:1-200 [123548] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykoc1: 1yko C:1-200 [123549] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykoe1: 1yko E:1-200 [123550] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykog1: 1yko G:1-200 [123551] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykoi1: 1yko I:1-200 [123552] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykok1: 1yko K:1-200 [123553] automatically matched to d2pcda_ complexed with fe; mutant |
Domain d1ykpa1: 1ykp A:1-200 [123554] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykpc1: 1ykp C:1-200 [123555] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykpe1: 1ykp E:1-200 [123556] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykpg1: 1ykp G:1-200 [123557] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykpi1: 1ykp I:1-200 [123558] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d1ykpk1: 1ykp K:1-200 [123559] automatically matched to d2pcda_ complexed with dhb, fe; mutant |
Domain d2pcda_: 2pcd A: [22665] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ |
Domain d2pcdb_: 2pcd B: [22666] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ |
Domain d2pcdc_: 2pcd C: [22667] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ |
Domain d2pcdd_: 2pcd D: [22668] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ |
Domain d2pcde_: 2pcd E: [22669] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ |
Domain d2pcdf_: 2pcd F: [22670] Other proteins in same PDB: d2pcdm_, d2pcdn_, d2pcdo_, d2pcdp_, d2pcdq_, d2pcdr_ complexed with fe |
Domain d3pcaa_: 3pca A: [22671] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ |
Domain d3pcab_: 3pca B: [22672] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ |
Domain d3pcac_: 3pca C: [22673] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ |
Domain d3pcad_: 3pca D: [22674] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ |
Domain d3pcae_: 3pca E: [22675] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ |
Domain d3pcaf_: 3pca F: [22676] Other proteins in same PDB: d3pcam_, d3pcan_, d3pcao_, d3pcap_, d3pcaq_, d3pcar_ complexed with bme, dhb, fe |
Domain d3pcba_: 3pcb A: [22677] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ |
Domain d3pcbb_: 3pcb B: [22678] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ |
Domain d3pcbc_: 3pcb C: [22679] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ |
Domain d3pcbd_: 3pcb D: [22680] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ |
Domain d3pcbe_: 3pcb E: [22681] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ |
Domain d3pcbf_: 3pcb F: [22682] Other proteins in same PDB: d3pcbm_, d3pcbn_, d3pcbo_, d3pcbp_, d3pcbq_, d3pcbr_ complexed with 3hb, bme, fe |
Domain d3pcca_: 3pcc A: [22641] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ |
Domain d3pccb_: 3pcc B: [22642] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ |
Domain d3pccc_: 3pcc C: [22643] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ |
Domain d3pccd_: 3pcc D: [22644] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ |
Domain d3pcce_: 3pcc E: [22645] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ |
Domain d3pccf_: 3pcc F: [22646] Other proteins in same PDB: d3pccm_, d3pccn_, d3pcco_, d3pccp_, d3pccq_, d3pccr_ complexed with bme, fe, phb |
Domain d3pcda_: 3pcd A: [22683] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ |
Domain d3pcdb_: 3pcd B: [22684] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ |
Domain d3pcdc_: 3pcd C: [22685] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ |
Domain d3pcdd_: 3pcd D: [22686] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ |
Domain d3pcde_: 3pcd E: [22687] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ |
Domain d3pcdf_: 3pcd F: [22688] Other proteins in same PDB: d3pcdm_, d3pcdn_, d3pcdo_, d3pcdp_, d3pcdq_, d3pcdr_ complexed with bme, co3, fe; mutant |
Domain d3pcea_: 3pce A: [22659] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ |
Domain d3pceb_: 3pce B: [22660] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ |
Domain d3pcec_: 3pce C: [22661] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ |
Domain d3pced_: 3pce D: [22662] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ |
Domain d3pcee_: 3pce E: [22663] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ |
Domain d3pcef_: 3pce F: [22664] Other proteins in same PDB: d3pcem_, d3pcen_, d3pceo_, d3pcep_, d3pceq_, d3pcer_ complexed with 3hp, bme, fe |
Domain d3pcfa_: 3pcf A: [22707] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ |
Domain d3pcfb_: 3pcf B: [22708] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ |
Domain d3pcfc_: 3pcf C: [22709] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ |
Domain d3pcfd_: 3pcf D: [22710] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ |
Domain d3pcfe_: 3pcf E: [22711] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ |
Domain d3pcff_: 3pcf F: [22712] Other proteins in same PDB: d3pcfm_, d3pcfn_, d3pcfo_, d3pcfp_, d3pcfq_, d3pcfr_ complexed with bme, fe, fhb |
Domain d3pcga_: 3pcg A: [22647] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ |
Domain d3pcgb_: 3pcg B: [22648] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ |
Domain d3pcgc_: 3pcg C: [22649] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ |
Domain d3pcgd_: 3pcg D: [22650] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ |
Domain d3pcge_: 3pcg E: [22651] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ |
Domain d3pcgf_: 3pcg F: [22652] Other proteins in same PDB: d3pcgm_, d3pcgn_, d3pcgo_, d3pcgp_, d3pcgq_, d3pcgr_ complexed with 4hp, bme, fe |
Domain d3pcha_: 3pch A: [22653] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ |
Domain d3pchb_: 3pch B: [22654] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ |
Domain d3pchc_: 3pch C: [22655] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ |
Domain d3pchd_: 3pch D: [22656] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ |
Domain d3pche_: 3pch E: [22657] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ |
Domain d3pchf_: 3pch F: [22658] Other proteins in same PDB: d3pchm_, d3pchn_, d3pcho_, d3pchp_, d3pchq_, d3pchr_ complexed with bme, chb, fe |
Domain d3pcia_: 3pci A: [22689] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ |
Domain d3pcib_: 3pci B: [22690] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ |
Domain d3pcic_: 3pci C: [22691] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ |
Domain d3pcid_: 3pci D: [22692] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ |
Domain d3pcie_: 3pci E: [22693] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ |
Domain d3pcif_: 3pci F: [22694] Other proteins in same PDB: d3pcim_, d3pcin_, d3pcio_, d3pcip_, d3pciq_, d3pcir_ complexed with bme, fe, ihb |
Domain d3pcja_: 3pcj A: [22695] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ |
Domain d3pcjb_: 3pcj B: [22696] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ |
Domain d3pcjc_: 3pcj C: [22697] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ |
Domain d3pcjd_: 3pcj D: [22698] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ |
Domain d3pcje_: 3pcj E: [22699] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ |
Domain d3pcjf_: 3pcj F: [22700] Other proteins in same PDB: d3pcjm_, d3pcjn_, d3pcjo_, d3pcjp_, d3pcjq_, d3pcjr_ complexed with bme, fe, ino |
Domain d3pcka_: 3pck A: [22701] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ |
Domain d3pckb_: 3pck B: [22702] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ |
Domain d3pckc_: 3pck C: [22703] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ |
Domain d3pckd_: 3pck D: [22704] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ |
Domain d3pcke_: 3pck E: [22705] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ |
Domain d3pckf_: 3pck F: [22706] Other proteins in same PDB: d3pckm_, d3pckn_, d3pcko_, d3pckp_, d3pckq_, d3pckr_ complexed with bme, fe, nno |
Domain d3pcla_: 3pcl A: [22713] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ |
Domain d3pclb_: 3pcl B: [22714] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ |
Domain d3pclc_: 3pcl C: [22715] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ |
Domain d3pcld_: 3pcl D: [22716] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ |
Domain d3pcle_: 3pcl E: [22717] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ |
Domain d3pclf_: 3pcl F: [22718] Other proteins in same PDB: d3pclm_, d3pcln_, d3pclo_, d3pclp_, d3pclq_, d3pclr_ complexed with cyn, fe, ino |
Domain d3pcma_: 3pcm A: [22719] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ |
Domain d3pcmb_: 3pcm B: [22720] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ |
Domain d3pcmc_: 3pcm C: [22721] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ |
Domain d3pcmd_: 3pcm D: [22722] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ |
Domain d3pcme_: 3pcm E: [22723] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ |
Domain d3pcmf_: 3pcm F: [22724] Other proteins in same PDB: d3pcmm_, d3pcmn_, d3pcmo_, d3pcmp_, d3pcmq_, d3pcmr_ complexed with cyn, fe, nno |
Domain d3pcna_: 3pcn A: [22725] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ |
Domain d3pcnb_: 3pcn B: [22726] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ |
Domain d3pcnc_: 3pcn C: [22727] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ |
Domain d3pcnd_: 3pcn D: [22728] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ |
Domain d3pcne_: 3pcn E: [22729] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ |
Domain d3pcnf_: 3pcn F: [22730] Other proteins in same PDB: d3pcnm_, d3pcnn_, d3pcno_, d3pcnp_, d3pcnq_, d3pcnr_ complexed with bme, dhy, fe |
Timeline for Protein Protocatechuate-3,4-dioxygenase, alpha chain from b.3.6.1: Aromatic compound dioxygenase: