Entry
Name
superoxide oxidase;
SOO;
CybB;
cytochrome b561;
superoxide:ubiquinone oxidoreductase
Class
Oxidoreductases;
Acting on diphenols and related substances as donors;
With oxygen as acceptor
BRITE hierarchy
Sysname
ubiquinol:oxygen oxidoreductase (superoxide-forming)
Reaction(IUBMB)
2 O2 + ubiquinol = 2 superoxide + ubiquinone + 2 H+ [RN:
R12508 ]
Reaction(KEGG)
Substrate
Product
Comment
This membrane-bound, di-heme containing enzyme, identified in the bacterium Escherichia coli, is responsible for the detoxification of superoxide in the periplasm. In vivo the reaction proceeds in the opposite direction of that shown and produces oxygen. Superoxide production was only observed when the enzyme was incubated in vitro with an excess of ubiquinol.
History
EC 1.10.3.17 created 2019
Orthology
Genes
ECOO : ECRM13514_1977(cybB)
ECOH : ECRM13516_1779(cybB)
EDJ : ECDH1ME8569_1359(cybB)
ECOI : ECOPMV1_01565(cybB)
SENT : TY21A_05740 TY21A_07825
STM : STM1253 STM1639(cybB)
SEO : STM14_1512 STM14_1983(cybB)
SEV : STMMW_12601 STMMW_16341
SEY : SL1344_1189 SL1344_1569(cybB)
SEJ : STMUK_1220 STMUK_1608(cybB)
SEB : STM474_1253 STM474_1651(cybB)
SETU : STU288_02590 STU288_04545
SETC : CFSAN001921_08905 CFSAN001921_10910
SENR : STMDT2_11861 STMDT2_15621(cybB)
SEND : DT104_12301 DT104_16101(cybB)
SENI : CY43_06380 CY43_08370
SEEN : SE451236_12125 SE451236_14110
SPQ : SPAB_01634 SPAB_02109
SEI : SPC_2096(cybB) SPC_2490
SEH : SeHA_C1372 SeHA_C1819
SENH : CFSAN002069_00765 CFSAN002069_02745
SEEH : SEEH1578_15495 SEEH1578_17445
SEE : SNSL254_A1357 SNSL254_A1756
SEW : SeSA_A1341 SeSA_A1759
SEA : SeAg_B1517 SeAg_B1928
SENS : Q786_07005 Q786_08990
SET : SEN1413(cybB) SEN1798
SENA : AU38_07290 AU38_09315
SENO : AU37_07285 AU37_09320
SENV : AU39_07295 AU39_09325
SENQ : AU40_08220 AU40_10395
SENL : IY59_07480 IY59_09530
SENJ : CFSAN001992_03340 CFSAN001992_05325
SEEC : CFSAN002050_12660 CFSAN002050_14620
SEEB : SEEB0189_011310 SEEB0189_013310
SENB : BN855_12790 BN855_16860
SENE : IA1_06180 IA1_08125
SENC : SEET0819_12910 SEET0819_14895
SBV : N643_05205 N643_07105
SALZ : EOS98_11160 EOS98_13225
EKB : BFV64_11015 BFV64_11100
ELG : BH714_00135 BH714_06790
ENR : H650_02260 H650_02525
ENF : AKI40_1624 AKI40_3255
EBG : FAI37_02260 FAI37_18635(cybB)
END : A4308_15285 A4308_15370
REE : electrica_02692(cybB)
RPLN : B1209_14450 B1209_14480
RTG : NCTC13098_03961(cybB)
CLAP : NCTC11466_02391(cybB)
ESC : Entcl_0062 Entcl_2220
KLE : AO703_11085 AO703_21170
KSA : C813_02875 C813_03160
KOR : AWR26_11335(cybB) AWR26_12210(cybB)
KRD : A3780_11885 A3780_12745
KOO : O9K67_08025(cybB) O9K67_11945(cybB)
KIE : NCTC12125_01225(cybB)
LAX : APT61_07560 APT61_10215
LEI : C2U54_09340 C2U54_17335
LEH : C3F35_19705 C3F35_22495
LEE : DVA44_11075 DVA44_19545
LER : GNG29_04555 GNG29_11875(cybB)
LEA : GNG26_04040 GNG26_12120(cybB)
LEY : DVA43_05440 DVA43_13400
AHN : NCTC12129_02821(cybB)
ASUB : NLZ15_10045(cybB) NLZ15_11295(cybB)
KIN : AB182_11995 AB182_12750
PDZ : HHA33_14685(cybB) HHA33_15510
METY : MRY16398_28270 MRY16398_29890
IZH : FEM41_09680 FEM41_15775 FEM41_18430(cybB)
EBC : C2U52_22840 C2U52_23685
YRB : UGYR_13895 UGYR_14995
SMAR : SM39_0295 SM39_0439
SRY : M621_04545 M621_05295
SPLY : Q5A_004400 Q5A_005185
SQU : E4343_11605(cybB) E4343_19595
SFJ : SAMEA4384070_1013(yodB_1)
SURI : J0X03_18550 J0X03_19255(cybB)
SENP : KHA73_04365(cybB) KHA73_05425
SNEV : OI978_01330 OI978_02015(cybB)
PAQU : DMB82_0004180(cybB)
DIC : Dpoa569_003079(cybB)
EGE : EM595_3414 EM595_p0186
PVA : Pvag_pPag30388(cybB)
PAGG : AL522_01645 AL522_14195
PAO : Pat9b_1978 Pat9b_5667
TPTY : NCTC11468_01937(yodB)
VHA : VIBHAR_04738 VIBHAR_05609
PAP : PSPA7_1418 PSPA7_4593
PPAA : B7D75_06565 B7D75_20605
PPW : PputW619_1570 PputW619_3307
PPUT : L483_07385 L483_11300
PIX : RIN61_10165 RIN61_19375
PPRC : PFLCHA0_c40260(yodB)
PFE : PSF113_0436 PSF113_3905
PFO : Pfl01_3348(cybB) Pfl01_3685
PMAN : OU5_0784 OU5_1266(cybB)
PCG : AXG94_02065 AXG94_25145
PVR : PverR02_02155 PverR02_15050 PverR02_19860
PRX : HRH33_13900 HRH33_17170
PMED : E3Z27_09765 E3Z27_14420
PMUD : NCTC8068_03138(yodB_2)
PFW : PF1751_v1c26530 PF1751_v1c33510(cybB)
PFF : PFLUOLIPICF719460 PFLUOLIPICF723075
PBA : PSEBR_a1824 PSEBR_a2575
PSV : PVLB_01705 PVLB_07480
PSK : U771_02465 U771_02525 U771_16830 U771_20580
PCH : EY04_19870 EY04_26165
PCZ : PCL1606_11020 PCL1606_22820
PCHP : C4K32_4052 C4K32_5237
PLQ : AA042_12030 AA042_19545
PALK : PSAKL28_15390 PSAKL28_49630
PSEM : TO66_20555 TO66_26220
PPSY : AOC04_07030 AOC04_18610
PSOS : POS17_2498 POS17_4076(cybB)
PFK : PFAS1_02060 PFAS1_27945
PANR : A7J50_2834 A7J50_3574
PSET : THL1_4515 THL1_5037
PSIL : PMA3_13000 PMA3_16810
PUM : HGP31_09895 HGP31_13540 HGP31_20450
PGY : AWU82_05775 AWU82_10885
PLAL : FXN65_13405 FXN65_21675
PVK : EPZ47_02105 EPZ47_09920 EPZ47_16610
PEZ : HWQ56_02375 HWQ56_07760
PBZ : GN234_08115 GN234_15950
PZE : HU754_011050 HU754_018175
PMOE : HV782_012190 HV782_018870
PVW : HU752_011075 HU752_016115 HU752_019365
PTZ : HU718_012380 HU718_019675
PSHH : HU773_016740 HU773_018595
PASG : KSS96_14970 KSS96_18225
PFAK : KSS94_08095 KSS94_25295
PORY : EJA05_08445 EJA05_10760
PZA : HU749_003155 HU749_010930
PTAE : NCTC10697_01992(yodB) NCTC10697_04179
PGF : J0G10_12820 J0G10_19665
PJU : L1P09_07150 L1P09_23585
PIZ : LAB08_R33750 LAB08_R40080
PSIH : LOY51_08315 LOY51_10565
PFIT : KJY40_17530 KJY40_19010
PKM : PZ739_07765(cybB) PZ739_26105
PNB : NK667_06180 NK667_08645
PTAI : ICN73_08300 ICN73_14230
PKK : QQ992_08045 QQ992_26350
PKJ : Q1W70_01410 Q1W70_21960
PHYG : JTY93_04055 JTY93_16130
PHOM : KJF94_09015 KJF94_16475 KJF94_28620
PCUC : PSH97_12135 PSH97_18740
PXI : J5O05_00850 J5O05_04825
CEB : B0D95_00060 B0D95_20235
RHEI : ATY27_10705 ATY27_18950
AMED : B224_3793 B224_5921
AEL : NCTC12917_03051(yodB)
ABES : IU367_06250 IU367_18690
CHAE : CH06BL_08750 CH06BL_44050
AXX : ERS451415_03168(yodB)
» show all
Taxonomy
Reference
Authors
Murakami H, Kita K, Anraku Y
Title
Cloning of cybB, the gene for cytochrome b561 of Escherichia coli K12.
Journal
Reference
Authors
Murakami H, Kita K, Anraku Y
Title
Purification and properties of a diheme cytochrome b561 of the Escherichia coli respiratory chain.
Journal
J Biol Chem 261:548-51 (1986)
Reference
Authors
Lundgren CAK, Sjostrand D, Biner O, Bennett M, Rudling A, Johansson AL, Brzezinski P, Carlsson J, von Ballmoos C, Hogbom M
Title
Scavenging of superoxide by a membrane-bound superoxide oxidase.
Journal
Sequence
Other DBs
ExPASy - ENZYME nomenclature database: 1.10.3.17