KEGG   ORTHOLOGY: K01542Help
Entry
K01542                      KO                                     

Name
ATP4A
Definition
H+/K+-exchanging ATPase subunit alpha [EC:7.2.2.19]
Pathway
ko00190  Oxidative phosphorylation
ko01100  Metabolic pathways
ko04966  Collecting duct acid secretion
ko04971  Gastric acid secretion
Brite
KEGG Orthology (KO) [BR:ko00001]
 09100 Metabolism
  09102 Energy metabolism
   00190 Oxidative phosphorylation
    K01542  ATP4A; H+/K+-exchanging ATPase subunit alpha
 09150 Organismal Systems
  09154 Digestive system
   04971 Gastric acid secretion
    K01542  ATP4A; H+/K+-exchanging ATPase subunit alpha
  09155 Excretory system
   04966 Collecting duct acid secretion
    K01542  ATP4A; H+/K+-exchanging ATPase subunit alpha
Enzymes [BR:ko01000]
 7. Translocases
  7.2  Catalysing the translocation of inorganic cations
   7.2.2  Linked to the hydrolysis of a nucleoside triphosphate
    7.2.2.19  H+/K+-exchanging ATPase
     K01542  ATP4A; H+/K+-exchanging ATPase subunit alpha
BRITE hierarchy
Other DBs
GO: 0008900
TC: 3.A.3.1.2
Genes
HSA: 495(ATP4A)
PTR: 747915(ATP4A)
PPS: 100980523(ATP4A)
GGO: 101138827(ATP4A)
PON: 100435235(ATP4A)
MCC: 100426215(ATP4A)
MMU: 11944(Atp4a)
RNO: 24216(Atp4a)
CFA: 431686(ATP4A)
AML: 100465081(ATP4A)
FCA: 101100771(ATP4A)
BTA: 521163(ATP4A)
SSC: 397552(ATP4A)
ECB: 100147108(ATP4A)
MDO: 100013166(ATP4A)
SHR: 100926385(ATP4A)
TGU: 115492958(ATP4A)
ACS: 100563553(atp4a)
XLA: 108696872 399450(atp4a.L) 733327
XTR: 100488221(atp4a)
 » show all
TaxonomyKoalaUniProt
Reference
PMID:2160952
  Authors
Maeda M, Oshiman K, Tamura S, Futai M
  Title
Human gastric (H+ + K+)-ATPase gene. Similarity to (Na+ + K+)-ATPase genes in exon/intron organization but difference in control region.
  Journal
J Biol Chem 265:9027-32 (1990)
  Sequence
[hsa:495]
LinkDB All DBs

KEGG   ORTHOLOGY: K01543Help
Entry
K01543                      KO                                     

Name
ATP4B
Definition
H+/K+-exchanging ATPase subunit beta [EC:7.2.2.19]
Pathway
ko00190  Oxidative phosphorylation
ko01100  Metabolic pathways
ko04966  Collecting duct acid secretion
ko04971  Gastric acid secretion
Brite
KEGG Orthology (KO) [BR:ko00001]
 09100 Metabolism
  09102 Energy metabolism
   00190 Oxidative phosphorylation
    K01543  ATP4B; H+/K+-exchanging ATPase subunit beta
 09150 Organismal Systems
  09154 Digestive system
   04971 Gastric acid secretion
    K01543  ATP4B; H+/K+-exchanging ATPase subunit beta
  09155 Excretory system
   04966 Collecting duct acid secretion
    K01543  ATP4B; H+/K+-exchanging ATPase subunit beta
Enzymes [BR:ko01000]
 7. Translocases
  7.2  Catalysing the translocation of inorganic cations
   7.2.2  Linked to the hydrolysis of a nucleoside triphosphate
    7.2.2.19  H+/K+-exchanging ATPase
     K01543  ATP4B; H+/K+-exchanging ATPase subunit beta
BRITE hierarchy
Other DBs
GO: 0008900
TC: 3.A.3.1.2
Genes
HSA: 496(ATP4B)
PTR: 738405(ATP4B)
PPS: 100991047(ATP4B)
GGO: 101141471(ATP4B)
PON: 100459814(ATP4B)
NLE: 100603851(ATP4B)
MCC: 698222(ATP4B)
MCF: 102131451(ATP4B)
CSAB: 103214853(ATP4B)
RRO: 104671368(ATP4B)
RBB: 108521834(ATP4B)
CJC: 100414695(ATP4B)
SBQ: 101051285(ATP4B)
MMU: 11945(Atp4b)
MCAL: 110300103(Atp4b)
MPAH: 110336832(Atp4b)
RNO: 24217(Atp4b)
CGE: 100750430(Atp4b)
NGI: 103746296(Atp4b)
HGL: 101697924(Atp4b)
CCAN: 109686917(Atp4b)
OCU: 100009125(ATP4B)
TUP: 102472050(ATP4B)
CFA: 404020(ATP4B)
VVP: 112927436(ATP4B)
AML: 100477747(ATP4B)
UMR: 103657517(ATP4B)
UAH: 113247563(ATP4B)
ORO: 101369365(ATP4B)
ELK: 111147139
FCA: 101092078(ATP4B)
PTG: 102971257(ATP4B)
PPAD: 109264027(ATP4B)
AJU: 106986712(ATP4B)
BTA: 614308(ATP4B)
BOM: 102276541(ATP4B)
BIU: 109567033(ATP4B)
BBUB: 102404508(ATP4B)
CHX: 102185581(ATP4B)
OAS: 114116709(ATP4B)
SSC: 397131(ATP4B)
CFR: 102520241(ATP4B)
CDK: 105091347(ATP4B)
BACU: 103000639(ATP4B)
LVE: 103071695(ATP4B)
OOR: 101275692(ATP4B)
DLE: 111176321(ATP4B)
PCAD: 102992690(ATP4B)
ECB: 100069135(ATP4B)
EPZ: 103549650(ATP4B)
EAI: 106848204(ATP4B)
MYB: 102259435(ATP4B)
MYD: 102760948(ATP4B)
MNA: 107536947(ATP4B)
HAI: 109383950(ATP4B)
DRO: 112321536(ATP4B)
PALE: 102881537(ATP4B)
RAY: 107514348(ATP4B)
MJV: 108399961(ATP4B)
LAV: 100663989(ATP4B)
TMU: 101351289
MDO: 100016220(ATP4B)
SHR: 100914816(ATP4B)
PCW: 110193383(ATP4B)
OAA: 107547886(ATP4B)
GGA: 386581(ATP4B)
MGP: 100548075(ATP4B)
CJO: 107307930(ATP4B)
NMEL: 110407217(ATP4B)
APLA: 101793299(ATP4B)
ACYG: 106046430(ATP4B)
TGU: 100230444(ATP4B)
LSR: 110478747(ATP4B)
SCAN: 103812391(ATP4B)
GFR: 102031709(ATP4B)
FAB: 101805703(ATP4B)
PHI: 102110942(ATP4B)
PMAJ: 107200428(ATP4B)
CCAE: 111922763(ATP4B)
CCW: 104686103(ATP4B)
ETL: 114057871(ATP4B)
FPG: 101923846(ATP4B)
FCH: 102051647(ATP4B)
CLV: 102093855(ATP4B)
EGZ: 104126355(ATP4B)
NNI: 104019363(ATP4B)
ACUN: 113483761(ATP4B)
PADL: 103918852(ATP4B)
AAM: 106493946(ATP4B)
ASN: 102374285(ATP4B)
AMJ: 102575926(ATP4B)
PSS: 102457968(ATP4B)
CMY: 102942318(ATP4B)
CPIC: 101951389(ATP4B)
ACS: 100560046(atp4b)
PVT: 110074103(ATP4B)
PBI: 103064507
PMUR: 107290450(ATP4B)
TSR: 106539185(ATP4B)
PMUA: 114596444(ATP4B)
GJA: 107110926(ATP4B)
XLA: 379459(atp4b.S) 447127(atp4b.L)
XTR: 448282(atp4b)
NPR: 108791690(ATP4B)
IPU: 108259063(atp4b)
PHYP: 113537621(atp4b)
AMEX: 103023943(atp4b)
EEE: 113577520(atp4b)
LCO: 104919947(atp4b)
NCC: 104958804(atp4b)
MZE: 101482966(atp4b) 112434842
ONL: 100698050(atp4b)
AOCE: 111565500(atp4b)
POV: 109624948(atp4b)
LCF: 108888014(atp4b)
SDU: 111238420(atp4b)
SLAL: 111668322(atp4b)
BPEC: 110173092(atp4b)
MALB: 109964254(atp4b)
SASA: 106574844 106594464(atp4b)
SALP: 112077546(atp4b)
ELS: 105020060(atp4b)
SFM: 108931953(atp4b)
PKI: 111845443
LCM: 102355665(ATP4B)
 » show all
TaxonomyKoalaUniProt
Reference
  Authors
Geering K
  Title
The functional role of beta subunits in oligomeric P-type ATPases.
  Journal
J Bioenerg Biomembr 33:425-38 (2001)
DOI:10.1023/A:1010623724749
Reference
PMID:1656976
  Authors
Ma JY, Song YH, Sjostrand SE, Rask L, Mardh S
  Title
cDNA cloning of the beta-subunit of the human gastric H,K-ATPase.
  Journal
Biochem Biophys Res Commun 180:39-45 (1991)
DOI:10.1016/S0006-291X(05)81251-3
  Sequence
[hsa:496]
LinkDB All DBs

KEGG   ORTHOLOGY: K01544Help
Entry
K01544                      KO                                     

Name
ATP12A
Definition
non-gastric H+/K+-exchanging ATPase [EC:7.2.2.19]
Pathway
ko00190  Oxidative phosphorylation
ko01100  Metabolic pathways
Brite
KEGG Orthology (KO) [BR:ko00001]
 09100 Metabolism
  09102 Energy metabolism
   00190 Oxidative phosphorylation
    K01544  ATP12A; non-gastric H+/K+-exchanging ATPase
Enzymes [BR:ko01000]
 7. Translocases
  7.2  Catalysing the translocation of inorganic cations
   7.2.2  Linked to the hydrolysis of a nucleoside triphosphate
    7.2.2.19  H+/K+-exchanging ATPase
     K01544  ATP12A; non-gastric H+/K+-exchanging ATPase
BRITE hierarchy
Other DBs
GO: 0008900
TC: 3.A.3.1.4 3.A.3.1.13
Genes
HSA: 479(ATP12A)
PTR: 452489(ATP12A)
PPS: 100979788(ATP12A)
GGO: 101142592(ATP12A)
PON: 100435325(ATP12A)
NLE: 100582869(ATP12A)
MCC: 721488(ATP12A)
MCF: 102119167(ATP12A)
CSAB: 103249015(ATP12A)
RRO: 104659972(ATP12A)
RBB: 108515377(ATP12A)
CJC: 100400287(ATP12A)
SBQ: 101047397(ATP12A)
MMU: 192113(Atp12a)
MCAL: 110309153(Atp12a)
MPAH: 110325315(Atp12a)
RNO: 171028(Atp12a)
MUN: 110559568(Atp12a)
CGE: 100765522(Atp12a)
NGI: 103726773(Atp12a)
HGL: 101711071(Atp12a)
CCAN: 109674869(Atp12a)
OCU: 100008669(ATP12A)
TUP: 102475043(ATP12A)
CFA: 403820(ATP12A)
VVP: 112918512(ATP12A)
AML: 100465461(ATP12A)
UMR: 103664389(ATP12A)
UAH: 113251156(ATP12A)
ORO: 101367449(ATP12A)
ELK: 111159902
FCA: 101091583(ATP12A)
PTG: 102957326(ATP12A)
PPAD: 109259125(ATP12A)
AJU: 106979787(ATP12A)
BTA: 530703(ATP12A)
BOM: 102275089(ATP12A)
BIU: 109567056(ATP12A)
BBUB: 102412846(ATP12A)
CHX: 102172639(ATP12A)
OAS: 101120253(ATP12A)
SSC: 100521921(ATP12A)
CFR: 102505590(ATP12A)
CDK: 105096383(ATP12A)
BACU: 103013174(ATP12A)
LVE: 103091328(ATP12A)
OOR: 101270907(ATP12A)
DLE: 111175101
PCAD: 102994540(ATP12A)
ECB: 100052912(ATP12A)
EPZ: 103540402(ATP12A)
EAI: 106827635(ATP12A)
MYB: 102246595(ATP12A)
MYD: 102774686(ATP12A)
MNA: 107529938(ATP12A)
HAI: 109387998(ATP12A)
DRO: 112323160(ATP12A)
PALE: 102881469(ATP12A)
RAY: 107502956(ATP12A)
MJV: 108394994(ATP12A)
OAA: 100092554
GGA: 419743(ATP12A)
MGP: 100550873(ATP12A)
CJO: 107324177(ATP12A)
NMEL: 110387724(ATP12A)
APLA: 101800708(ATP12A)
ACYG: 106040569(ATP12A)
TGU: 100230086(ATP12A)
LSR: 110468196(ATP12A)
SCAN: 103823636(ATP12A)
GFR: 102044487(ATP12A)
FAB: 101807408(ATP12A)
PHI: 102107731(ATP12A)
PMAJ: 107214473(ATP12A)
CCAE: 111939335(ATP12A)
CCW: 104692117(ATP12A)
ETL: 114059527(ATP12A)
FPG: 101912680(ATP12A)
FCH: 102056385(ATP12A)
CLV: 102096447(ATP12A)
EGZ: 104129213(ATP12A)
NNI: 104016631(ATP12A)
ACUN: 113488438
PADL: 103924807(ATP12A)
AAM: 106490229(ATP12A)
ASN: 102388005(ATP12A)
AMJ: 102561484(ATP12A)
PSS: 102452724(ATP12A)
CMY: 102933065
CPIC: 101947527(ATP12A)
ACS: 100563430
PVT: 110079317(ATP12A)
PBI: 103053937(ATP12A)
PMUR: 107286485(ATP12A)
TSR: 106552003
PMUA: 114585731(ATP12A)
GJA: 107120678(ATP12A)
XLA: 108716413 379283(atp12a.S) 380512(atp12a.L)
XTR: 594945(atp12a-like)
RTP: 109913661(atp12a)
 » show all
TaxonomyKoalaUniProt
Reference
PMID:8045293
  Authors
Grishin AV, Sverdlov VE, Kostina MB, Modyanov NN
  Title
Cloning and characterization of the entire cDNA encoded by ATP1AL1--a member of the human Na,K/H,K-ATPase gene family.
  Journal
FEBS Lett 349:144-50 (1994)
DOI:10.1016/0014-5793(94)00655-5
  Sequence
[hsa:479]
LinkDB All DBs

KEGG   ENZYME: 7.2.2.19Help
Entry
EC 7.2.2.19                 Enzyme                                 

Name
H+/K+-exchanging ATPase;
H+-K+-ATPase;
H,K-ATPase;
(K+ + H+)-ATPase
Class
Translocases;
Catalysing the translocation of inorganic cations;
Linked to the hydrolysis of a nucleoside triphosphate
BRITE hierarchy
Sysname
ATP phosphohydrolase (P-type,H+/K+-exchanging)
Reaction(IUBMB)
ATP + H2O + H+[side 1] + K+[side 2] = ADP + phosphate + H+[side 2] + K+[side 1]
Substrate
ATP [CPD:C00002];
H2O [CPD:C00001];
H+[side 1];
K+[side 2]
Product
ADP [CPD:C00008];
phosphate [CPD:C00009];
H+[side 2];
K+[side 1]
Comment
A P-type ATPase that undergoes covalent phosphorylation during the transport cycle. A gastric mucosal enzyme that catalyses the efflux of one H+ and the influx of one K+ per ATP hydrolysed.
History
EC 7.2.2.19 created 1984 as EC 3.6.1.36, transferred 2000 to EC 3.6.3.10, transferred 2018 to EC 7.2.2.19
Pathway
ec00190  Oxidative phosphorylation
ec01100  Metabolic pathways
Orthology
K01542  H+/K+-exchanging ATPase subunit alpha
K01543  H+/K+-exchanging ATPase subunit beta
K01544  non-gastric H+/K+-exchanging ATPase
Genes
HSA: 479(ATP12A) 495(ATP4A) 496(ATP4B)
PTR: 452489(ATP12A) 738405(ATP4B) 747915(ATP4A)
PPS: 100979788(ATP12A) 100980523(ATP4A) 100991047(ATP4B)
GGO: 101138827(ATP4A) 101141471(ATP4B) 101142592(ATP12A)
PON: 100435235(ATP4A) 100435325(ATP12A) 100459814(ATP4B)
NLE: 100582869(ATP12A) 100603851(ATP4B)
MCC: 100426215(ATP4A) 698222(ATP4B) 721488(ATP12A)
MCF: 102119167(ATP12A) 102131451(ATP4B)
CSAB: 103214853(ATP4B) 103249015(ATP12A)
RRO: 104659972(ATP12A) 104671368(ATP4B)
RBB: 108515377(ATP12A) 108521834(ATP4B)
CJC: 100400287(ATP12A) 100414695(ATP4B)
SBQ: 101047397(ATP12A) 101051285(ATP4B)
MMU: 11944(Atp4a) 11945(Atp4b) 192113(Atp12a)
MCAL: 110300103(Atp4b) 110309153(Atp12a)
MPAH: 110325315(Atp12a) 110336832(Atp4b)
RNO: 171028(Atp12a) 24216(Atp4a) 24217(Atp4b)
CGE: 100750430(Atp4b) 100765522(Atp12a)
NGI: 103726773(Atp12a) 103746296(Atp4b)
HGL: 101697924(Atp4b) 101711071(Atp12a)
CCAN: 109674869(Atp12a) 109686917(Atp4b)
OCU: 100008669(ATP12A) 100009125(ATP4B)
TUP: 102472050(ATP4B) 102475043(ATP12A)
CFA: 403820(ATP12A) 404020(ATP4B) 431686(ATP4A)
VVP: 112918512(ATP12A) 112927436(ATP4B)
AML: 100465081(ATP4A) 100465461(ATP12A) 100477747(ATP4B)
UMR: 103657517(ATP4B) 103664389(ATP12A)
UAH: 113247563(ATP4B) 113251156(ATP12A)
ORO: 101367449(ATP12A) 101369365(ATP4B)
FCA: 101091583(ATP12A) 101092078(ATP4B) 101100771(ATP4A)
PTG: 102957326(ATP12A) 102971257(ATP4B)
PPAD: 109259125(ATP12A) 109264027(ATP4B)
AJU: 106979787(ATP12A) 106986712(ATP4B)
BTA: 521163(ATP4A) 530703(ATP12A) 614308(ATP4B)
BOM: 102275089(ATP12A) 102276541(ATP4B)
BIU: 109567033(ATP4B) 109567056(ATP12A)
BBUB: 102404508(ATP4B) 102412846(ATP12A)
CHX: 102172639(ATP12A) 102185581(ATP4B)
OAS: 101120253(ATP12A) 114116709(ATP4B)
SSC: 100521921(ATP12A) 397131(ATP4B) 397552(ATP4A)
CFR: 102505590(ATP12A) 102520241(ATP4B)
CDK: 105091347(ATP4B) 105096383(ATP12A)
BACU: 103000639(ATP4B) 103013174(ATP12A)
LVE: 103071695(ATP4B) 103091328(ATP12A)
OOR: 101270907(ATP12A) 101275692(ATP4B)
DLE: 111175101 111176321(ATP4B)
PCAD: 102992690(ATP4B) 102994540(ATP12A)
ECB: 100052912(ATP12A) 100069135(ATP4B) 100147108(ATP4A)
EPZ: 103540402(ATP12A) 103549650(ATP4B)
EAI: 106827635(ATP12A) 106848204(ATP4B)
MYB: 102246595(ATP12A) 102259435(ATP4B)
MYD: 102760948(ATP4B) 102774686(ATP12A)
MNA: 107529938(ATP12A) 107536947(ATP4B)
HAI: 109383950(ATP4B) 109387998(ATP12A)
DRO: 112321536(ATP4B) 112323160(ATP12A)
PALE: 102881469(ATP12A) 102881537(ATP4B)
RAY: 107502956(ATP12A) 107514348(ATP4B)
MJV: 108394994(ATP12A) 108399961(ATP4B)
MDO: 100013166(ATP4A) 100016220(ATP4B) 100022970(ATP12A) 100022999 100023029
OAA: 100092554 107547886(ATP4B)
GGA: 386581(ATP4B) 419743(ATP12A)
MGP: 100548075(ATP4B) 100550873(ATP12A)
CJO: 107307930(ATP4B) 107324177(ATP12A)
NMEL: 110387724(ATP12A) 110407217(ATP4B)
APLA: 101793299(ATP4B) 101800708(ATP12A)
ACYG: 106040569(ATP12A) 106046430(ATP4B)
TGU: 100230086(ATP12A) 100230444(ATP4B) 115492958(ATP4A)
LSR: 110468196(ATP12A) 110478747(ATP4B)
SCAN: 103812391(ATP4B) 103823636(ATP12A)
GFR: 102031709(ATP4B) 102044487(ATP12A)
FAB: 101805703(ATP4B) 101807408(ATP12A)
PHI: 102107731(ATP12A) 102110942(ATP4B)
PMAJ: 107200428(ATP4B) 107214473(ATP12A)
CCAE: 111922763(ATP4B) 111939335(ATP12A)
CCW: 104686103(ATP4B) 104692117(ATP12A)
ETL: 114057871(ATP4B) 114059527(ATP12A)
FPG: 101912680(ATP12A) 101923846(ATP4B)
FCH: 102051647(ATP4B) 102056385(ATP12A)
CLV: 102093855(ATP4B) 102096447(ATP12A)
EGZ: 104126355(ATP4B) 104129213(ATP12A)
NNI: 104016631(ATP12A) 104019363(ATP4B)
ACUN: 113483761(ATP4B) 113488438
PADL: 103918852(ATP4B) 103924807(ATP12A)
AAM: 106490229(ATP12A) 106493946(ATP4B)
ASN: 102374285(ATP4B) 102388005(ATP12A)
AMJ: 102561484(ATP12A) 102575926(ATP4B)
PSS: 102452724(ATP12A) 102457968(ATP4B)
CMY: 102933065 102942318(ATP4B)
CPIC: 101947527(ATP12A) 101951389(ATP4B)
ACS: 100560046(atp4b) 100563430 100563553(atp4a)
PVT: 110074103(ATP4B) 110079317(ATP12A)
PBI: 103053937(ATP12A) 103064507
PMUR: 107286485(ATP12A) 107290450(ATP4B)
TSR: 106539185(ATP4B) 106552003
PMUA: 114585731(ATP12A) 114596444(ATP4B)
GJA: 107110926(ATP4B) 107120678(ATP12A)
XLA: 108696872 108716413 379283(atp12a.S) 379459(atp4b.S) 380512(atp12a.L) 399450(atp4a.L) 447127(atp4b.L) 733327
XTR: 100488221(atp4a) 448282(atp4b) 594945(atp12a-like)
NPR: 108790589(ATP12A) 108790966 108790973 108791690(ATP4B)
IPU: 108259063(atp4b)
PHYP: 113537621(atp4b)
AMEX: 103023943(atp4b)
EEE: 113577520(atp4b)
LCO: 104919947(atp4b)
NCC: 104958804(atp4b)
MZE: 101482966(atp4b) 112434842
ONL: 100698050(atp4b)
AOCE: 111565500(atp4b)
POV: 109624948(atp4b)
LCF: 108888014(atp4b)
SDU: 111238420(atp4b)
SLAL: 111668322(atp4b)
BPEC: 110173092(atp4b)
MALB: 109964254(atp4b)
SASA: 106574844 106594464(atp4b)
SALP: 112077546(atp4b)
ELS: 105020060(atp4b)
SFM: 108931953(atp4b)
PKI: 111845443
LCM: 102355665(ATP4B)
RTP: 109913661(atp12a)
 » show all
Taxonomy
Reference
1  [PMID:5682852]
  Authors
Sachs G, Collier RH, Shoemaker RL, Hirschowitz BI.
  Title
The energy source for gastric H+ secretion.
  Journal
Biochim Biophys Acta 162:210-9 (1968)
DOI:10.1016/0005-2728(68)90103-5
Reference
2  [PMID:2552824]
  Authors
Hersey SJ, Perez A, Matheravidathu S, Sachs G.
  Title
Gastric H+-K+-ATPase in situ: evidence for compartmentalization.
  Journal
Am J Physiol 257:G539-47 (1989)
DOI:10.1152/ajpgi.1989.257.4.G539
Reference
3  [PMID:2158765]
  Authors
Rabon EC, Reuben MA.
  Title
The mechanism and structure of the gastric H,K-ATPase.
  Journal
Annu Rev Physiol 52:321-44 (1990)
DOI:10.1146/annurev.ph.52.030190.001541
Other DBs
ExplorEnz - The Enzyme Database: 7.2.2.19
IUBMB Enzyme Nomenclature: 7.2.2.19
ExPASy - ENZYME nomenclature database: 7.2.2.19
BRENDA, the Enzyme Database: 7.2.2.19
LinkDB All DBs

DBGET integrated database retrieval system