ID A0A317V4X1_9EURO Unreviewed; 1155 AA.
AC A0A317V4X1;
DT 10-OCT-2018, integrated into UniProtKB/TrEMBL.
DT 10-OCT-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=BO94DRAFT_628756 {ECO:0000313|EMBL:PWY68128.1};
OS Aspergillus sclerotioniger CBS 115572.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus.
OX NCBI_TaxID=1450535 {ECO:0000313|EMBL:PWY68128.1, ECO:0000313|Proteomes:UP000246702};
RN [1] {ECO:0000313|EMBL:PWY68128.1, ECO:0000313|Proteomes:UP000246702}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CBS 115572 {ECO:0000313|EMBL:PWY68128.1,
RC ECO:0000313|Proteomes:UP000246702};
RG DOE Joint Genome Institute;
RA Vesth T.C., Nybo J., Theobald S., Brandl J., Frisvad J.C., Nielsen K.F.,
RA Lyhne E.K., Kogle M.E., Kuo A., Riley R., Clum A., Nolan M., Lipzen A.,
RA Salamov A., Henrissat B., Wiebenga A., De Vries R.P., Grigoriev I.V.,
RA Mortensen U.H., Andersen M.R., Baker S.E.;
RT "The genomes of Aspergillus section Nigri reveals drivers in fungal
RT speciation.";
RL Submitted (DEC-2016) to the EMBL/GenBank/DDBJ databases.
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:PWY68128.1}.
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DR EMBL; MSFK01000045; PWY68128.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A317V4X1; -.
DR STRING; 1450535.A0A317V4X1; -.
DR OrthoDB; 9810at2759; -.
DR Proteomes; UP000246702; 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; 1.
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; IPR028889; USP_dom.
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.
DR PROSITE; PS50235; USP_3; 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:UP000246702};
KW WD repeat {ECO:0000256|ARBA:ARBA00022574}.
FT DOMAIN 483..821
FT /note="USP"
FT /evidence="ECO:0000259|PROSITE:PS50235"
FT REGION 1134..1155
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 873
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 875
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 982
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 1041
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 1155 AA; 128858 MW; E347EC383615BADB CRC64;
MEADWDELSR IPVPAPSVHA MPTIATAIAF DDVMELLWAG NEYGRITSFC GPELQRYTSV
RAHPATEAVR QIIFHERGVI SLSPKSVHMI TRRGLTQWHI AHEEMTDLRC MSFTAQTNRI
IVAGCQKVMF TIDIDKGVIV DKLGTEYNYT MMKKSRYLCA ATDTGSVNAL SLNDFSVVKS
WKAHGTAVND MDARNDLLVT CGFSVRHLGA PIVDPLANVY DLKTLSPLPP IPFHAGAAYV
RMHPKLHTTS FVASQTGQLQ VVDLMNPNAI NLRQANVSFM LGIDLSPSGE ALAINDAECA
IHLWGSPAKV HFNELSKEAE FADVAPRPPT FDWSADTPLS MVGMPYYHER LFSAWPSHLV
FEVGSPPAQV DQALIPYLRP AEMGHHAPNP KKTRRYQVEN TRALASAEPA LIAPKFLSEK
AREQNKAKSE GAIIDAVEAL AGAKINGETE DDPLLKYSNV EIKYSRFGVD DFDFRFYNQT
TFSGLETHIA NSFTNALLQL FKFIPYIRNV ALQHAASSCI FENCLLCEMG YLFDMLEKAN
GQNCQATNLL KTFSSYREAS NLGLFEENLT NKSLSAAIQA VNRFFLGQIS HDFRMISPSS
DDLDHKLATV ASESIRCMFC QNEIVRPGNS LVNELNYPAI DIKQARRNPA FRFSNILRSS
IERETQNRGW CNYCRRYQQV AIRKSVHRMP HVLILNAALS NPLCRRLWAI PGWLPEEVGI
AIDGGQISCF EGEELKMRIQ AKMPGLVIYE LVGLVCEIDI PEHQKAHLVS FINVSISSRE
PETKNKWHLF NDFLVTEVDK DEALRFNQPW KLPCVVAFQV RDGRHAMDDT WKSALDTTLL
FRDWSLNGGR PVESRATLTE DEKPTPGTPV ALDTEFVDLE KAEIDVKADG SQEIVRPSKS
GLARVSVLRG SGLREGVPFI DDYITIKETI VDYVTQYSGI KPGDLDPRTS QHNLVPLKVA
YKKLWLLLNL GCVFVGHGLA SDFRKVNIQV PKSQTVDTQY LFFHPGKNRR LSLRYLAWAV
FKEYIQEEPA EDNQGHDSIE DARMALRLWK KFKEYKDAGI VSQMLEEIFR EGSKLGFRPP
PRNGIPTVLS RPGTAVTMQN NSGRNTPSTA DVAGAAASAP ATPRQAFRRS IALTPSNGSF
AGPGAGDFFS GSPLK
//