ID   PLYB_ASPFN              Reviewed;         326 AA.
AC   B8NBC2;
DT   15-JUN-2010, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 66.
DE   RecName: Full=Probable pectate lyase B;
DE            EC=4.2.2.2;
DE   Flags: Precursor;
GN   Name=plyB; ORFNames=AFLA_044970;
OS   Aspergillus flavus (strain ATCC 200026 / FGSC A1120 / IAM 13836 / NRRL 3357
OS   / JCM 12722 / SRRC 167).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC   Aspergillus subgen. Circumdati.
OX   NCBI_TaxID=332952;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 200026 / FGSC A1120 / IAM 13836 / NRRL 3357 / JCM 12722 / SRRC
RC   167;
RX   PubMed=25883274; DOI=10.1128/genomea.00168-15;
RA   Nierman W.C., Yu J., Fedorova-Abrams N.D., Losada L., Cleveland T.E.,
RA   Bhatnagar D., Bennett J.W., Dean R., Payne G.A.;
RT   "Genome sequence of Aspergillus flavus NRRL 3357, a strain that causes
RT   aflatoxin contamination of food and feed.";
RL   Genome Announc. 3:E0016815-E0016815(2015).
CC   -!- FUNCTION: Pectinolytic enzyme consist of four classes of enzymes:
CC       pectin lyase, polygalacturonase, pectin methylesterase and
CC       rhamnogalacturonase. Among pectinolytic enzymes, pectin lyase is the
CC       most important in depolymerization of pectin, since it cleaves internal
CC       glycosidic bonds of highly methylated pectins. Favors pectate, the
CC       anion, over pectin, the methyl ester (By similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Eliminative cleavage of (1->4)-alpha-D-galacturonan to give
CC         oligosaccharides with 4-deoxy-alpha-D-galact-4-enuronosyl groups at
CC         their non-reducing ends.; EC=4.2.2.2;
CC   -!- COFACTOR:
CC       Name=Ca(2+); Xref=ChEBI:CHEBI:29108; Evidence={ECO:0000250};
CC       Note=Binds 1 Ca(2+) ion per subunit. {ECO:0000250};
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the polysaccharide lyase 1 family.
CC       {ECO:0000305}.
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DR   EMBL; EQ963476; EED52795.1; -; Genomic_DNA.
DR   RefSeq; XP_002377959.1; XM_002377918.1.
DR   AlphaFoldDB; B8NBC2; -.
DR   SMR; B8NBC2; -.
DR   STRING; 5059.CADAFLAP00005824; -.
DR   EnsemblFungi; EED52795; EED52795; AFLA_044970.
DR   VEuPathDB; FungiDB:AFLA_044970; -.
DR   eggNOG; ENOG502S66G; Eukaryota.
DR   HOGENOM; CLU_021894_2_1_1; -.
DR   OMA; YANNHWF; -.
DR   Proteomes; UP000001875; Unassembled WGS sequence.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0030570; F:pectate lyase activity; IEA:UniProtKB-EC.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0000272; P:polysaccharide catabolic process; IEA:UniProtKB-KW.
DR   Gene3D; 2.160.20.10; -; 1.
DR   InterPro; IPR002022; Pec_lyase.
DR   InterPro; IPR012334; Pectin_lyas_fold.
DR   InterPro; IPR011050; Pectin_lyase_fold/virulence.
DR   InterPro; IPR045032; PEL.
DR   PANTHER; PTHR31683; PTHR31683; 1.
DR   Pfam; PF00544; Pectate_lyase_4; 1.
DR   SMART; SM00656; Amb_all; 1.
DR   SUPFAM; SSF51126; SSF51126; 1.
PE   3: Inferred from homology;
KW   Calcium; Carbohydrate metabolism; Cell wall biogenesis/degradation; Lyase;
KW   Metal-binding; Polysaccharide degradation; Secreted; Signal.
FT   SIGNAL          1..15
FT                   /evidence="ECO:0000255"
FT   CHAIN           16..326
FT                   /note="Probable pectate lyase B"
FT                   /id="PRO_0000394565"
FT   ACT_SITE        219
FT                   /evidence="ECO:0000255"
FT   BINDING         133
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250"
FT   BINDING         162
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250"
FT   BINDING         166
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   326 AA;  34445 MW;  CDC271D016C32A79 CRC64;
     MRVTAILTLA TIAIASPTKV LNSRNELARR QATEGCSIGY CTQNGGTTGG AAGDTVTVTD
     LASLTEAAES ETPLTIIVSG NIEGSAKIRV ASDKTIYGET GSSITGVGFY IRQVSNVIMR
     NLKIGQVLAD NGDAIGIDES TNVWVDHCDL SGDLSAGKDD LDGLLDITHA AEWVTVSNTY
     LHDHWKASLV GHSDSNADED TGHLHITYAN NYWYNINSRA PSIRFGTVHI INNYWDSLLG
     TGVNCRMDAQ VLIQSSAFSN CPDEAIFFAD SDYTGYAVVD DVDLGGSTNS VPEGTLTASS
     LPYDAIEALG SAQIAATIPE TAGQKL