Linear gramicidin synthase

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<StructureSection load='5es5' size='340' side='right' caption='Caption for this structure' scene=''>
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<StructureSection load='5es5' size='340' side='right' caption='Linear gramicidin synthease subunit A initiation module complex with sulfate (PDB code [[5es5]]).' scene=''>
== Function ==
== Function ==
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'''Linear gramicidin synthase''' LgrA is a biosynthetic enzyme which synthesizes natural products for therapeutics using a modular synthetic logic where each module adds one amino acid to the growing chain.
'''Linear gramicidin synthase''' LgrA is a biosynthetic enzyme which synthesizes natural products for therapeutics using a modular synthetic logic where each module adds one amino acid to the growing chain.
Thus, LgrA is a non-ribosomal peptide synthetase<ref>PMID:31699907</ref>. Linear gramicidin is a 15 amino acid long polypeptide which is synthetized by synthases LgrA, LgrB, LgrC, LgrD which comprise 16 modules<ref>PMID:15938641</ref>.
Thus, LgrA is a non-ribosomal peptide synthetase<ref>PMID:31699907</ref>. Linear gramicidin is a 15 amino acid long polypeptide which is synthetized by synthases LgrA, LgrB, LgrC, LgrD which comprise 16 modules<ref>PMID:15938641</ref>.
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== Disease ==
 
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== Relevance ==
 
== Structural highlights ==
== Structural highlights ==
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LgrA core contains 3 essential domains. Adenylation domain which activates the specific amino acid aby adenylation, the thiolation domain which produces a thiol ester and the condensation domain which catalyzes the elongation of the peptide chain.
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LgrA core contains 3 essential domains. Adenylation domain which activates the specific amino acid by adenylation, the thiolation domain which produces a thiol ester and the condensation domain which catalyzes the elongation of the peptide chain<ref>PMID:28762452</ref>.
</StructureSection>
</StructureSection>

Revision as of 06:48, 5 October 2020

Linear gramicidin synthease subunit A initiation module complex with sulfate (PDB code 5es5).

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Updated on 05-October-2020

3D structures of linear gramicidin synthase subunit A

5jnf, 5es6 - BpLgrA 2 domains 2-584 - Brevibacillus parabrevis
6ulz - BpLgrA adenylation domain (mutant) 2-684
5es7 - BpLgrA adenylation domain 2-684 + Val + APC + FON
5es5, 5es8, 5es9 - BpLgrA initiation domain 2-766
6mfw - BpLgrA 4 domains 2-1198
6mfx - BpLgrA 4 domains (mutant) 2-1198
6mfy, 6mg0 - BpLgrA 5 domains 2-1716
6mfz - BpLgrA 2-1802

References

  1. ↑ Reimer JM, Eivaskhani M, Harb I, Guarne A, Weigt M, Schmeing TM. Structures of a dimodular nonribosomal peptide synthetase reveal conformational flexibility. Science. 2019 Nov 8;366(6466). pii: 366/6466/eaaw4388. doi:, 10.1126/science.aaw4388. PMID:31699907 doi:http://dx.doi.org/10.1126/science.aaw4388
  2. ↑ Schracke N, Linne U, Mahlert C, Marahiel MA. Synthesis of linear gramicidin requires the cooperation of two independent reductases. Biochemistry. 2005 Jun 14;44(23):8507-13. PMID:15938641 doi:http://dx.doi.org/10.1021/bi050074t
  3. ↑ Oruc M, Gursoy K, Ozer K, Colak O, Kankaya Y, Sungur N, Ulusoy GM, Kocer U. Eight years of clinical experience with digit replantation: Demographic characteristics and outcomes. Ulus Travma Acil Cerrahi Derg. 2017 Jul;23(4):311-316. doi:, 10.5505/tjtes.2016.40040. PMID:28762452 doi:http://dx.doi.org/10.5505/tjtes.2016.40040

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Michal Harel

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