ID A0A395NU07_TRIAR Unreviewed; 1049 AA.
AC A0A395NU07;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 24-JAN-2024, entry version 19.
DE RecName: Full=PAN2-PAN3 deadenylation complex catalytic subunit PAN2 {ECO:0000256|HAMAP-Rule:MF_03182};
DE EC=3.1.13.4 {ECO:0000256|HAMAP-Rule:MF_03182};
DE AltName: Full=PAB1P-dependent poly(A)-specific ribonuclease {ECO:0000256|HAMAP-Rule:MF_03182};
DE AltName: Full=Poly(A)-nuclease deadenylation complex subunit 2 {ECO:0000256|HAMAP-Rule:MF_03182};
DE Short=PAN deadenylation complex subunit 2 {ECO:0000256|HAMAP-Rule:MF_03182};
GN Name=PAN2 {ECO:0000256|HAMAP-Rule:MF_03182};
GN ORFNames=TARUN_2765 {ECO:0000313|EMBL:RFU79465.1};
OS Trichoderma arundinaceum.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Hypocreomycetidae; Hypocreales; Hypocreaceae; Trichoderma.
OX NCBI_TaxID=490622 {ECO:0000313|EMBL:RFU79465.1, ECO:0000313|Proteomes:UP000266272};
RN [1] {ECO:0000313|EMBL:RFU79465.1, ECO:0000313|Proteomes:UP000266272}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IBT 40837 {ECO:0000313|EMBL:RFU79465.1,
RC ECO:0000313|Proteomes:UP000266272};
RX PubMed=29649280; DOI=10.1371/journal.ppat.1006946;
RA Proctor R.H., McCormick S.P., Kim H.S., Cardoza R.E., Stanley A.M.,
RA Lindo L., Kelly A., Brown D.W., Lee T., Vaughan M.M., Alexander N.J.,
RA Busman M., Gutierrez S.;
RT "Evolution of structural diversity of trichothecenes, a family of toxins
RT produced by plant pathogenic and entomopathogenic fungi.";
RL PLoS Pathog. 14:e1006946-e1006946(2018).
CC -!- FUNCTION: Catalytic subunit of the poly(A)-nuclease (PAN) deadenylation
CC complex, one of two cytoplasmic mRNA deadenylases involved in mRNA
CC turnover. PAN specifically shortens poly(A) tails of RNA and the
CC activity is stimulated by poly(A)-binding protein PAB1. PAN
CC deadenylation is followed by rapid degradation of the shortened mRNA
CC tails by the CCR4-NOT complex. Deadenylated mRNAs are then degraded by
CC two alternative mechanisms, namely exosome-mediated 3'-5'
CC exonucleolytic degradation, or deadenlyation-dependent mRNA decaping
CC and subsequent 5'-3' exonucleolytic degradation by XRN1. May also be
CC involved in post-transcriptional maturation of mRNA poly(A) tails.
CC {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Exonucleolytic cleavage of poly(A) to 5'-AMP.; EC=3.1.13.4;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03182};
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03182};
CC Note=Binds 2 metal cations per subunit in the catalytic exonuclease
CC domain. {ECO:0000256|HAMAP-Rule:MF_03182};
CC -!- ACTIVITY REGULATION: Positively regulated by the regulatory subunit
CC PAN3. {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- SUBUNIT: Forms a heterotrimer with an asymmetric homodimer of the
CC regulatory subunit PAN3 to form the poly(A)-nuclease (PAN)
CC deadenylation complex. {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- DOMAIN: Contains a pseudo-UCH domain. This ubiquitin C-terminal
CC hydrolase (UCH)-like or ubiquitin specific protease (USP)-like domain
CC is predicted to be catalytically inactive because it lacks the active
CC site catalytic triad characteristic of thiol proteases, with residues
CC at the equivalent structural positions that are incompatible with
CC catalysis, and it cannot bind ubiquitin. It functions as a structural
CC scaffold for intra- and intermolecular interactions in the complex.
CC {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- DOMAIN: The linker, or PAN3 interaction domain (PID), between the WD40
CC repeats and the pseudo-UCH domain mediates interaction with PAN3.
CC {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- SIMILARITY: Belongs to the peptidase C19 family. PAN2 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_03182}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RFU79465.1}.
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DR EMBL; PXOA01000156; RFU79465.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A395NU07; -.
DR STRING; 490622.A0A395NU07; -.
DR Proteomes; UP000266272; Unassembled WGS sequence.
DR GO; GO:0031251; C:PAN complex; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR GO; GO:0004535; F:poly(A)-specific ribonuclease activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR GO; GO:0000289; P:nuclear-transcribed mRNA poly(A) tail shortening; IEA:UniProtKB-UniRule.
DR CDD; cd06143; PAN2_exo; 1.
DR Gene3D; 3.90.70.10; Cysteine proteinases; 2.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR Gene3D; 2.130.10.10; YVTN repeat-like/Quinoprotein amine dehydrogenase; 1.
DR HAMAP; MF_03182; PAN2; 1.
DR InterPro; IPR013520; Exonuclease_RNaseT/DNA_pol3.
DR InterPro; IPR030843; PAN2.
DR InterPro; IPR048841; PAN2_N.
DR InterPro; IPR028881; PAN2_UCH_dom.
DR InterPro; IPR038765; Papain-like_cys_pep_sf.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR InterPro; IPR015943; WD40/YVTN_repeat-like_dom_sf.
DR InterPro; IPR036322; WD40_repeat_dom_sf.
DR PANTHER; PTHR15728; DEADENYLATION COMPLEX CATALYTIC SUBUNIT PAN2; 1.
DR PANTHER; PTHR15728:SF0; PAN2-PAN3 DEADENYLATION COMPLEX CATALYTIC SUBUNIT PAN2; 1.
DR Pfam; PF20770; PAN2_N; 1.
DR Pfam; PF00929; RNase_T; 1.
DR Pfam; PF13423; UCH_1; 1.
DR SMART; SM00479; EXOIII; 1.
DR SUPFAM; SSF54001; Cysteine proteinases; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR SUPFAM; SSF50978; WD40 repeat-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03182};
KW Exonuclease {ECO:0000256|ARBA:ARBA00022839, ECO:0000256|HAMAP-
KW Rule:MF_03182}; Hydrolase {ECO:0000256|HAMAP-Rule:MF_03182};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03182};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664, ECO:0000256|HAMAP-
KW Rule:MF_03182};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_03182};
KW Reference proteome {ECO:0000313|Proteomes:UP000266272};
KW WD repeat {ECO:0000256|ARBA:ARBA00022574}.
FT DOMAIN 789..973
FT /note="Exonuclease"
FT /evidence="ECO:0000259|SMART:SM00479"
FT REGION 991..1049
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1005..1026
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 794
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03182"
FT BINDING 796
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03182"
FT BINDING 903
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03182"
FT BINDING 956
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03182"
SQ SEQUENCE 1049 AA; 116992 MW; 01140EA585D749AE CRC64;
MDGDWDEVAR IPFPPPGVHA LPTQVTTMTF DTSQELLWAG NDYGRVTSFL STELQRYTSF
KAHQATDGPV RQILVNDKGV VVLGSKDVHM ASRRGPPIWH IRHDDMKDLR CMSFTSKGTA
EIIAAGLQDS MLVIDLIKGE VVKQVRTEHQ YSIMKRGRYI CAATRNGSVH LLDPISFAVV
KTWNAHSALI NDMDAQHDFI VTCGYSLRQG QNYMLDPFLN VFDIKKMSSM PPIPFPAGAA
YVRMHPRMLT TSIVVSQSGQ MHVVDLMNPN TSNVRQANVL SYLSMFEIAP SGEAMALTDA
ECFIHLWGSP SKLHFVDLPT PVEFATPEEA IPPLEWTPET PLNSIGLPYY REVLASAWPE
LTSDIGAPPV KFDAQFLAGL KPTDFALYGR NTRGVRRNQF EDTRSVHKSA NSGLKAPKFL
SEKARDFAKS ESSTTGDKAD ELSNPFAEME IESRKSDLPM MYRNVEIKYS KFGVDDFDFG
NLALQHAATA CVSDICLLCE LGFLFDMLQK ADGSICQATN MLKTLSNHPQ AAPLGLLEED
SHGSSLNVML QGLTRFLLER IAADYKTMAP ASSSMEQKAP GRNNKMPRTT FSQILKSSVE
RETTSKGCVP NVLMLNTAIT GADHRMLWST PGWLPEEIGI IVEQGQFFCY EGEDLKLHLQ
RGIHNITVYS LIGMAINIES GQTQKPHLVA MVNVGHAEAE APNRSQWHLF NDFLVRSVST
EEALTFNTSW KVPSVVAFQI KKANNKIDNG WKNNIDTSLL YQDFNPSSRT ENKTYKLLSS
ATERPGPSTI IALDTEFVAV RQPEIEMNSD GERETIRPIV YALARASVVR GQGENEGLPF
IDDYISIKEP IVDYLTSYSG ITEEDLNPRT TKHSLLPLKV AYKKLWILLN LGCKFLGHGL
KQDFRVINIH VPKAQVIDTI DLFFLKSRLR KLSLAFLAWY LLKEDIQMET HDSIEDSRTA
LKLYRKYLEF QDAGILETML QDIYRAGRDV NFKPPRKDGM DVPRSETPPP LPAENGGTPT
PTPAPTTPAR GRGFGSGVSW TPGKGSPMR
//
