MetaCyc Pathway: superpathway of photosynthetic hydrogen production in Synechococcus elongatus PCC 7942

2 H2O[in] + hν[cytosol] + 2 a plastoquinone + 4 H+[out]→2 a plastoquinol + dioxygen[in] + 4 H+[in] (EC 1.10.3.9)

Synpcc7942_0424 (psbAI)

Synpcc7942_0656 (psbC)

Synpcc7942_0658

Synpcc7942_0893 (psbAIII)

Synpcc7942_1389 (psbAII)

Synpcc7942_1882 (psbU)

Synpcc7942_2016 (psbX)

Synpcc7942_2478 (psb28-2)

NAD(P)H dehydrogenase (quinone): NAD(P)H + a plastoquinone + H+→a plastoquinol + NAD(P)+ (EC 1.6.5.2)

Synpcc7942_1182 (ndhJ)

Synpcc7942_1345 (ndhG)

a plastoquinol + 2 an oxidized plastocyanin[in] + 2 H+[out]→2 a reduced plastocyanin[in] + a plastoquinone + 4 H+[in] (EC 7.1.1.6)

Synpcc7942_0475 (petN)

Synpcc7942_1231 (cytf)

Synpcc7942_1232 (petC)

Synpcc7942_1479 (petG)

Synpcc7942_2332 (petD)

a reduced plastocyanin[in] + hν[cytosol] + an oxidized ferredoxin [iron-sulfur] cluster[out]→a reduced ferredoxin [iron-sulfur] cluster[out] + an oxidized plastocyanin[in] (EC 1.97.1.12)

Synpcc7942_0535 (psaC)

Synpcc7942_0920 (psaK1)

Synpcc7942_1912a (psaM)

Synpcc7942_2048 (psaB)

Synpcc7942_2049 (psaA)

Ferredoxin--NADP(+) reductase: 2 a reduced ferredoxin [iron-sulfur] cluster[out] + NADP+[out] + H+[out]→NADPH[out] + 2 an oxidized ferredoxin [iron-sulfur] cluster[out] (EC 1.18.1.2)

Synpcc7942_0978 (petH)

Ferredoxin hydrogenase (in reverse): 2 a reduced ferredoxin [iron-sulfur] cluster + 2 H+→H2 + 2 an oxidized ferredoxin [iron-sulfur] cluster (EC 1.12.7.2)

No genes

Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information