L-serine → pyruvate + ammonium (R1112)
- Silencing
  - Genome
H₂O + glyoxylate + acetyl-CoA ↔ coenzyme A + (S)-malate + H⁺ (R1258)
- Silencing
  - Genome
NAD⁺ + 3-phospho-D-glycerate ↔ 3-phosphooxypyruvate + NADH + H⁺ (R51)
- Feedback insensitive
  - Plasmid
  - Genome
    - Escherichia coli BW08
H₂O + 3-phospho-L-serine → L-serine + phosphate (R429)
- Overexpression
  - Plasmid
  - Genome
    - Escherichia coli BW08
2-oxoglutarate + 3-phospho-L-serine ↔ 3-phosphooxypyruvate + L-glutamate (R555)
- Overexpression
  - Plasmid
  - Genome
    - Escherichia coli BW08
L-serine → L-serine (R00845)
- Overexpression
  - Plasmid
    - Escherichia coli (pBCBA, pJD760)
    - Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His)
H₂O + glycine + 5,10-methylene-tetrahydromethanopterin ↔ tetrahydromethanopterin + L-serine (R10280)
- Silencing
  - Genome
glycine + NAD⁺ + 5,6,7,8-tetrahydrofolate → NADH + ammonium + 5,10-methylenetetrahydropteroyl mono-L-glutamate + CO₂ (R898)
- Overexpression
  - Genome
    - Escherichia coli E4G1 (pPK10)
    - Escherichia coli E4G2 (pPK10)
3-phospho-D-glycerate + ATP ↔ 3-phospho-D-glyceroyl-phosphate + ADP (R655)
- Overexpression
  - Plasmid
L-serine + H⁺ → L-serine + H⁺ (R00836)
- Silencing
  - Genome
L-serine + Na⁺ ↔ L-serine + Na⁺ (R00819)
- Silencing
  - Genome
H₂O + L-cysteine → pyruvate + ammonium + hydrogen sulfide (R2399)
- Silencing
  - Genome
    - Escherichia coli BW08