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CATH Superfamily 3.90.1170.40

Molybdopterin biosynthesis MoaE subunit

The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:

"
Molybdopterin biosynthesis MoaE subunit
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
SC:1Molybdopterin synthase catalytic subunit MoaEMolybdopterin synthase catalytic subunitMolybdopterin converting factor subunit 2Molybdopterin biosynthesis protein MoeEPutative molybdenum cofactor biosynthesis protein e2 moaE2Molybdenum cofactor biosynthesis protein MoaEMolybdenum cofactor biosynthesis protein MoaEMolybdopterin-converting factor chain 2Molybdopterin-guanine dinucleotide biosynthesis protein MobBMolybdopterin synthase, large subunitMoaD family proteinMolybdopterin synthase catalytic subunitMolybdopterin (MPT) converting factor, subunit2Molybdopterin synthase catalytic subunitPredicted proteinMolybdopterin synthase catalytic subunitMolybdopterin converting factor, large subunitUncharacterized proteinUncharacterized protein MJ0717Molybdopterin biosynthesis MoaE proteinUncharacterized proteinOs02g0517366 proteinMolybdenum cofactor biosynthesis protein D/E
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FunFam 12: Molybdopterin synthase catalytic subunit

There are 1 EC terms in this cluster

Please note: EC annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

Note: The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.

EC TermAnnotationsEvidence
Molybdopterin synthase. [EC: 2.8.1.12]
Cyclic pyranopterin phosphate + 2 [molybdopterin-synthase sulfur-carrier protein]-Gly-NH-CH(2)-C(O)SH + H(2)O = molybdopterin + 2 [molybdopterin- synthase sulfur-carrier protein].
  • Catalyzes the synthesis of molybdopterin from cyclic pyranopterin phosphate.
  • Two sulfur atoms are transferred to cyclic pyranopterin phosphate in order to form the characteristic ene-dithiol group found in the molybdenum cofactor.
  • Molybdopterin synthase consists of two large subunits forming a central dimer and two small subunits (molybdopterin-synthase sulfur- carrier proteins) that are thiocarboxylated at the C-terminus by EC 2.8.1.11, molybdopterin synthase sulfurtransferase.
  • The reaction occurs in prokaryotes and eukaryotes.
 1 Q86HF4
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