ENZYME entry: EC 1.10.3.9

Accepted Name
Photosystem II.
Reaction catalysed
2 H(2)O + 2 plastoquinone + 4 light <=> O(2) + 2 plastoquinol
Comment(s)
  • Contains chlorophyll a, beta-carotene, pheophytin, plastoquinone, a Mn(4)Ca cluster, heme and non-heme iron.
  • Four successive photoreactions, resulting in a storage of four positive charges, are required to oxidize two water molecules to one oxygen molecule.
Cross-references
BRENDA1.10.3.9
EC2PDB1.10.3.9
ExplorEnz1.10.3.9
PRIAM enzyme-specific profiles1.10.3.9
KEGG Ligand Database for Enzyme Nomenclature1.10.3.9
IUBMB Enzyme Nomenclature1.10.3.9
IntEnz1.10.3.9
MEDLINEFind literature relating to 1.10.3.9
MetaCyc1.10.3.9
UniProtKB/Swiss-Prot
B0CB14, PSBA1_ACAM1;  Q3MCT0, PSBA1_ANAVT;  Q7M7A9, PSBA1_GLOVI;  
P46242, PSBA1_NOSS1;  P04996, PSBA1_SYNE7;  P0A445, PSBA1_SYNEL;  
Q2JTJ2, PSBA1_SYNJA;  Q2JPR2, PSBA1_SYNJB;  B1XM24, PSBA1_SYNP2;  
Q5N5R2, PSBA1_SYNP6;  A5GIM7, PSBA1_SYNPW;  Q7TTJ7, PSBA1_SYNPX;  
A5GTY4, PSBA1_SYNR3;  Q0I7J2, PSBA1_SYNS3;  Q3AYB8, PSBA1_SYNS9;  
Q3AM89, PSBA1_SYNSC;  P07826, PSBA1_SYNY3;  P0A444, PSBA1_THEEB;  
Q11A00, PSBA1_TRIEI;  A5A8K9, PSBA2_ACAM1;  Q3MAB1, PSBA2_ANAVT;  
Q7NJX5, PSBA2_GLOVI;  P31694, PSBA2_NOSS1;  P04997, PSBA2_SYNE7;  
P0A447, PSBA2_SYNEL;  Q2JTT0, PSBA2_SYNJA;  Q2JP67, PSBA2_SYNJB;  
B1XMC3, PSBA2_SYNP2;  Q5N4D2, PSBA2_SYNP6;  A5GJU5, PSBA2_SYNPW;  
Q7U669, PSBA2_SYNPX;  A5GTY5, PSBA2_SYNR3;  Q0I912, PSBA2_SYNS3;  
Q3AV15, PSBA2_SYNS9;  Q3AKT2, PSBA2_SYNSC;  P16033, PSBA2_SYNY3;  
P0A446, PSBA2_THEEB;  Q10VK7, PSBA2_TRIEI;  Q3MB78, PSBA3_ANAVT;  
Q7NH81, PSBA3_GLOVI;  Q8YQS7, PSBA3_NOSS1;  Q2JTM8, PSBA3_SYNJA;  
B1XIP3, PSBA3_SYNP2;  Q5N337, PSBA3_SYNP6;  Q7U4Z3, PSBA3_SYNPX;  
Q0I910, PSBA3_SYNS3;  Q8DIV4, PSBA3_THEEB;  Q3M5L6, PSBA4_ANAVT;  
Q3V554, PSBA_ACOCL;  Q1KVU8, PSBA_ACUOB;  Q85C23, PSBA_ADICA;  
A4QJ96, PSBA_AETCO;  A4QJI0, PSBA_AETGR;  A1E9Y8, PSBA_AGRST;  
Q9TM69, PSBA_ALETA;  P02956, PSBA_AMAHY;  Q70Y17, PSBA_AMBTC;  
Q9BBC1, PSBA_AMPCA;  Q7HP56, PSBA_AMPOP;  B0YPN1, PSBA_ANEMR;  
A2T309, PSBA_ANGEV;  Q85BH5, PSBA_ANTFO;  P24625, PSBA_ANTSP;  
A4QJZ9, PSBA_ARAHI;  P83755, PSBA_ARATH;  Q7FNT3, PSBA_ATRBE;  
A4QK85, PSBA_BARVE;  Q06J41, PSBA_BIGNA;  P18290, PSBA_BRANA;  
P48265, PSBA_BUMFI;  A6MM16, PSBA_BUXMI;  Q7YJY8, PSBA_CALFG;  
A4QKH2, PSBA_CAPBU;  B1A915, PSBA_CARPA;  A8SE40, PSBA_CERDE;  
Q8M9W3, PSBA_CHAGL;  Q1ACM1, PSBA_CHAVU;  Q19VC4, PSBA_CHLAT;  
P35860, PSBA_CHLEL;  P09752, PSBA_CHLMO;  P07753, PSBA_CHLRE;  
A6MMA2, PSBA_CHLSC;  P56318, PSBA_CHLVU;  Q09MJ8, PSBA_CITSI;  
A0A315, PSBA_COFAR;  Q9T351, PSBA_CONCI;  Q9TNF8, PSBA_CONSU;  
A4QKR1, PSBA_CRUWA;  B1VKF9, PSBA_CRYJA;  Q2QDA8, PSBA_CUCSA;  
A8W3A5, PSBA_CUSEX;  A7M8Y6, PSBA_CUSGR;  A8W3H2, PSBA_CUSOB;  
P32036, PSBA_CUSRE;  P51759, PSBA_CYAA5;  O19895, PSBA_CYACA;  
Q85G59, PSBA_CYAM1;  P12719, PSBA_CYAPA;  A6H5E4, PSBA_CYCTA;  
Q0G9Y2, PSBA_DAUCA;  A6MMI8, PSBA_DIOEL;  A4QL00, PSBA_DRANE;  
Q06H17, PSBA_DRIGR;  Q9TNF7, PSBA_DUMHI;  P24726, PSBA_ECTSI;  
Q4G3F2, PSBA_EMIHU;  Q49L18, PSBA_EUCGG;  P06631, PSBA_EUGGR;  
P24725, PSBA_GALSU;  A6BM28, PSBA_GNEPA;  A0ZZ15, PSBA_GOSBA;  
P69564, PSBA_GOSHI;  Q6B929, PSBA_GRATL;  O78446, PSBA_GUITH;  
Q1KXX9, PSBA_HELAN;  Q32389, PSBA_HETAK;  Q9MSC0, PSBA_HETNI;  
Q9MSC1, PSBA_HETPY;  Q9MSC2, PSBA_HETRO;  Q9XQV1, PSBA_HETTR;  
P05337, PSBA_HORVU;  Q5SCW8, PSBA_HUPLU;  A6MMS4, PSBA_ILLOL;  
A7Y395, PSBA_IPOPU;  Q06RF1, PSBA_JASNU;  Q9TJ82, PSBA_KARMI;  
P69557, PSBA_LACSA;  P27201, PSBA_LANPU;  A9L976, PSBA_LEMMI;  
A6YGB8, PSBA_LEPTE;  A4QL86, PSBA_LEPVR;  Q0G9N9, PSBA_LIRTU;  
A4QLH5, PSBA_LOBMA;  A8Y9F0, PSBA_LOLPR;  Q9BBU3, PSBA_LOTJA;  
O98736, PSBA_MAGPY;  P48183, PSBA_MAIZE;  B1NWD0, PSBA_MANES;  
P06402, PSBA_MARPO;  Q9S3W5, PSBA_MASLA;  P04998, PSBA_MEDSA;  
Q9MUW0, PSBA_MESVI;  P51764, PSBA_MICAE;  B0JIS8, PSBA_MICAN;  
P07063, PSBA_MICDP;  Q09X37, PSBA_MORIN;  Q09FY1, PSBA_NANDO;  
A4QLR3, PSBA_NASOF;  Q9TL35, PSBA_NEPOL;  P69561, PSBA_NICDE;  
P69562, PSBA_NICPL;  Q3C1G3, PSBA_NICSY;  Q33C59, PSBA_NICTO;  
Q6EW68, PSBA_NYMAL;  P49460, PSBA_ODOSI;  B0Z4K6, PSBA_OENAR;  
B0Z4U0, PSBA_OENBI;  P83756, PSBA_OENEH;  B0Z524, PSBA_OENGL;  
B0Z5A8, PSBA_OENPA;  A4QJR4, PSBA_OLIPU;  Q20ET2, PSBA_OLTVI;  
Q6ENJ7, PSBA_ORYNI;  P0C432, PSBA_ORYSA;  P0C433, PSBA_ORYSI;  
P0C434, PSBA_ORYSJ;  Q0P3J1, PSBA_OSTTA;  P69565, PSBA_OXYRB;  
O98733, PSBA_PALPL;  Q68S26, PSBA_PANGI;  P06585, PSBA_PEA;  
Q06FY1, PSBA_PELHO;  P04999, PSBA_PETHY;  Q3BAR4, PSBA_PHAAO;  
A0T0G9, PSBA_PHATC;  Q01366, PSBA_PHAVU;  P50155, PSBA_PICAB;  
P69550, PSBA_PINCO;  Q85WS3, PSBA_PINKO;  P69551, PSBA_PINTH;  
Q06GT0, PSBA_PIPCE;  Q09G66, PSBA_PLAOC;  Q14FH6, PSBA_POPAL;  
P36491, PSBA_POPDE;  A4GYN9, PSBA_POPTR;  P51212, PSBA_PORPU;  
P15191, PSBA_PROHO;  A3PAU3, PSBA_PROM0;  A2C057, PSBA_PROM1;  
A8G5N5, PSBA_PROM2;  A2C6Q1, PSBA_PROM3;  A2BUK1, PSBA_PROM5;  
Q31A92, PSBA_PROM9;  P46895, PSBA_PROMA;  Q9TM72, PSBA_PROMC;  
Q7TTH6, PSBA_PROMM;  Q7V365, PSBA_PROMP;  A2BP21, PSBA_PROMS;  
Q46JV2, PSBA_PROMT;  Q3ZJ60, PSBA_PSEAK;  Q8WI36, PSBA_PSINU;  
Q1XDS5, PSBA_PYRYE;  A6MVT2, PSBA_RHDSA;  Q6L3B5, PSBA_SACHY;  
P0C157, PSBA_SACOF;  P10510, PSBA_SECCE;  Q2WGI0, PSBA_SELUN;  
P11848, PSBA_SINAL;  Q2MIK7, PSBA_SOLBU;  Q2MIC0, PSBA_SOLLC;  
P69563, PSBA_SOLNI;  Q2VEJ6, PSBA_SOLTU;  A1E9Q4, PSBA_SORBI;  
P02957, PSBA_SOYBN;  P69560, PSBA_SPIOL;  Q32RX1, PSBA_STAPU;  
Q06SD2, PSBA_STIHE;  P14660, PSBA_SYNY4;  A0T0W2, PSBA_THAPS;  
P51765, PSBA_THEVL;  P69556, PSBA_TOBAC;  P29270, PSBA_TRIAZ;  
P13910, PSBA_VICFA;  Q33282, PSBA_VIGUN;  Q0ZJ40, PSBA_VITVI;  
P12463, PSBA_WHEAT;  Q32RM3, PSBA_ZYGCR;  B0C1V6, PSBD1_ACAM1;  
Q5N3Q7, PSBD1_SYNP6;  B0C3P0, PSBD2_ACAM1;  Q5MZ82, PSBD2_SYNP6;  
Q4FFP4, PSBD_ACOAM;  Q3V539, PSBD_ACOCL;  Q1KVW6, PSBD_ACUOB;  
Q85FM2, PSBD_ADICA;  A4QJB0, PSBD_AETCO;  A4QJJ4, PSBD_AETGR;  
A1E9Z3, PSBD_AGRST;  Q70Y08, PSBD_AMBTC;  Q3MA59, PSBD_ANAVT;  
A2T330, PSBD_ANGEV;  Q85AC9, PSBD_ANTFO;  P69685, PSBD_ANTMA;  
A4QK13, PSBD_ARAHI;  P56761, PSBD_ARATH;  Q8S8X8, PSBD_ATRBE;  
A4QKA0, PSBD_BARVE;  Q06J67, PSBD_BIGNA;  Q7Y4H2, PSBD_BPSYP;  
Q6H956, PSBD_BPSYR;  Q0QZ08, PSBD_BPSYS;  Q6H952, PSBD_BPSYW;  
B3TNB8, PSBD_BRADI;  A6MM31, PSBD_BUXMI;  Q7YJX7, PSBD_CALFG;  
A4QKI7, PSBD_CAPBU;  B1A930, PSBD_CARPA;  A8SE98, PSBD_CERDE;  
Q8M9W4, PSBD_CHAGL;  Q1ACJ7, PSBD_CHAVU;  Q19VC7, PSBD_CHLAT;  
P06007, PSBD_CHLRE;  A6MMB7, PSBD_CHLSC;  P56319, PSBD_CHLVU;  
B5LMM1, PSBD_CICAR;  Q09MI3, PSBD_CITSI;  A0A330, PSBD_COFAR;  
A4QKS6, PSBD_CRUWA;  B1VKH0, PSBD_CRYJA;  Q4VZN8, PSBD_CUCSA;  
A8W3B9, PSBD_CUSEX;  A7M8Z6, PSBD_CUSGR;  A8W3I2, PSBD_CUSOB;  
A7M961, PSBD_CUSRE;  Q49CA8, PSBD_CUSSA;  B1WQ89, PSBD_CYAA5;  
Q9TM47, PSBD_CYACA;  Q85G27, PSBD_CYAM1;  P48079, PSBD_CYAPA;  
A6H5G6, PSBD_CYCTA;  Q0G9W7, PSBD_DAUCA;  A6MMK2, PSBD_DIOEL;  
A4QL14, PSBD_DRANE;  Q06H02, PSBD_DRIGR;  Q4G395, PSBD_EMIHU;  
Q49L03, PSBD_EUCGG;  P31557, PSBD_EUGGR;  B2XWK0, PSBD_FAGEA;  
P28253, PSBD_GALSU;  A0ZZ30, PSBD_GOSBA;  Q2L902, PSBD_GOSHI;  
Q6B918, PSBD_GRATL;  B2LMI8, PSBD_GUIAB;  O78427, PSBD_GUITH;  
Q1KXW4, PSBD_HELAN;  B2XT21, PSBD_HETA2;  B2XTH7, PSBD_HETA4;  
P11849, PSBD_HORVU;  A6MMT9, PSBD_ILLOL;  A7Y3C4, PSBD_IPOPU;  
Q06RD6, PSBD_JASNU;  Q56P05, PSBD_LACSA;  A9L991, PSBD_LEMMI;  
A6YG76, PSBD_LEPTE;  A4QLA1, PSBD_LEPVR;  Q0G9M4, PSBD_LIRTU;  
A4QLI9, PSBD_LOBMA;  A8Y9F5, PSBD_LOLPR;  Q9BBT0, PSBD_LOTJA;  
P48184, PSBD_MAIZE;  B1NWE5, PSBD_MANES;  P06404, PSBD_MARPO;  
Q9MUW2, PSBD_MESVI;  Q09X22, PSBD_MORIN;  Q09FW6, PSBD_NANDO;  
A4QLS8, PSBD_NASOF;  Q9TL00, PSBD_NEPOL;  Q3C1I4, PSBD_NICSY;  
Q33C42, PSBD_NICTO;  B2IVV1, PSBD_NOSP7;  Q8XFA5, PSBD_NOSS1;  
Q4FFP2, PSBD_NUPAD;  Q6EW53, PSBD_NYMAL;  P49478, PSBD_ODOSI;  
B0Z4M2, PSBD_OENAR;  B0Z4V6, PSBD_OENBI;  Q9MTN1, PSBD_OENEH;  
B0Z540, PSBD_OENGL;  B0Z5C4, PSBD_OENPA;  A4QJS8, PSBD_OLIPU;  
Q20EU7, PSBD_OLTVI;  Q6ENJ1, PSBD_ORYNI;  P0C435, PSBD_ORYSA;  
P0C436, PSBD_ORYSI;  P0C437, PSBD_ORYSJ;  Q0P3Q0, PSBD_OSTTA;  
Q68S11, PSBD_PANGI;  B1X3H4, PSBD_PAUCH;  P06006, PSBD_PEA;  
Q06FW1, PSBD_PELHO;  Q3BAP5, PSBD_PHAAO;  A0T097, PSBD_PHATC;  
A4GGA2, PSBD_PHAVU;  Q6YXN8, PSBD_PHYPA;  Q85WW5, PSBD_PINKO;  
P41644, PSBD_PINTH;  Q06GR5, PSBD_PIPCE;  Q09G51, PSBD_PLAOC;  
Q14FG2, PSBD_POPAL;  Q9XQA8, PSBD_POPDE;  A4GYQ4, PSBD_POPTR;  
P51357, PSBD_PORPU;  P51766, PSBD_PROHO;  Q7V6I0, PSBD_PROMM;  
Q3ZJ46, PSBD_PSEAK;  Q8WI19, PSBD_PSINU;  Q1XDD0, PSBD_PYRYE;  
Q4FFP1, PSBD_RANMC;  Q6L3B1, PSBD_SACHY;  Q6ENY1, PSBD_SACOF;  
P10803, PSBD_SECCE;  Q2MIJ2, PSBD_SOLBU;  Q2MIA5, PSBD_SOLLC;  
Q2VEI1, PSBD_SOLTU;  A1E9Q9, PSBD_SORBI;  Q2PMT8, PSBD_SOYBN;  
P06005, PSBD_SPIOL;  Q32RT0, PSBD_STAPU;  Q06SH5, PSBD_STIHE;  
P11005, PSBD_SYNE7;  Q2JRJ5, PSBD_SYNJA;  Q2JKT8, PSBD_SYNJB;  
P20898, PSBD_SYNP2;  A5GMA8, PSBD_SYNPW;  Q7TTI2, PSBD_SYNPX;  
A5GQK3, PSBD_SYNR3;  Q0I6Z7, PSBD_SYNS3;  Q3B038, PSBD_SYNS9;  
Q3AH25, PSBD_SYNSC;  P09192, PSBD_SYNY3;  A0T0T0, PSBD_THAPS;  
Q8CM25, PSBD_THEEB;  D0VWR8, PSBD_THEVL;  P69686, PSBD_TOBAC;  
Q116J3, PSBD_TRIEI;  Q0ZJ25, PSBD_VITVI;  B2Y1U5, PSBD_WELMI;  
Q36814, PSBD_WHEAT;  Q32RM5, PSBD_ZYGCR;  

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