9gamm-PETaseMG8

uncultured Pseudomonadales: Pseudomonas sp. PETase MG8

Comment

From metagenome: MCA23DSaliva (human oral metagenome). MG8, from the human saliva metagenome has robust PET plastic degradation activities under different temperature and salinity conditions, outperforming several naturally occurring and engineered hydrolases in degrading PET. By encoding 2,3-diaminopropionic acid (DAP) in place of the catalytic serine of MG8, this non-canonical amino acid was used to covalently trap the acyl-enzyme intermediate of MG8. So this PET-degrading enzyme was converted into a covalent binder of PET. MG8(DAP) covalently captures instead of degrading PET

Relationship

Family : Polyesterase-lipase-cutinase

Block : L

Position in NCBI Life Tree : uncultured Pyrenomonadales

(Below N is a link to NCBI taxonomic web page and E link to ESTHER at designed phylum.)

> cellular organisms N E > Eukaryota N E > Cryptophyta N E > Pyrenomonadales N E > environmental samples N E > uncultured Pyrenomonadales N E

Molecular evidence

No mutation

No structure

No kinetic

No disease

No inhibitor

Database

No Genbank

No Interpro

No Pfam

No UniProt

No PIRSF

No SUPERFAM

Sequence

Peptide

MKALTFSKSF LSAIAAGALM LSASAMANNP PPPDDPGAPS PYQRGPDPTV SFVEASRGNY RVATSNVSSL VSGFGGGTIH YPSNATGTMG AIVVIPGYVS GEGSIDWWGP KLASYGFVVM TIGTNSGFDQ PPSRARQINN ALDYLVEQNT RTGSPVRGMI DPSRLGVIGW SMGGGGTIRV AGEGRIKAAI PLAPWDTSSI PSRGVQAPTL IFACQSDVVA PVRSHASPFY NALPGSISKA FVNLNNGNHF CANGGSSFGR YDAALGRLGV SWMKRFLDED RRYSQFLCGP NHTGDRQITE YRGNCPY

References (2)

Title : A New PETase from the Human Saliva Metagenome and Its Functional Modification via Genetic Code Expansion in Bacteria - White_2023_Angew.Chem.Weinheim.Bergstr.Ger_135_e202216963
Author(s) : White MFM , Wallace S
Ref : Angew Chem Weinheim Bergstr Ger , 135 :e202216963 , 2023
Abstract :
PubMedSearch : White_2023_Angew.Chem.Weinheim.Bergstr.Ger_135_e202216963
PubMedID: 38516330
Gene_locus related to this paper: 9gamm-PETaseMG8

Title : Discovery and Genetic Code Expansion of a Polyethylene Terephthalate (PET) Hydrolase from the Human Saliva Metagenome for the Degradation and Bio-Functionalization of PET - Eiamthong_2022_Angew.Chem.Int.Ed.Engl_15_e202203061
Author(s) : Eiamthong B , Meesawat P , Wongsatit T , Jitdee J , Sangsri R , Patchsung M , Aphicho K , Suraritdechachai S , Huguenin-Dezot N , Tang S , Suginta W , Paosawatyanyong B , Babu MM , Chin JW , Pakotiprapha D , Bhanthumnavin W , Uttamapinant C
Ref : Angew Chem Int Ed Engl , :e202203061 , 2022
Abstract :
PubMedSearch : Eiamthong_2022_Angew.Chem.Int.Ed.Engl_15_e202203061
PubMedID: 35656865
Gene_locus related to this paper: 9gamm-PETaseMG1 , 9gamm-PETaseMG2 , 9gamm-PETaseMG3 , 9gamm-PETaseMG4 , 9gamm-PETaseMG5 , 9gamm-PETaseMG6 , 9gamm-PETaseMG7 , 9gamm-PETaseMG8 , 9pseu-PETaseMG9 , 9actn-PETaseMG10