APU_THETU
ID APU_THETU Reviewed; 1861 AA.
AC P38536;
DT 01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1995, sequence version 2.
DT 03-AUG-2022, entry version 130.
DE RecName: Full=Amylopullulanase;
DE AltName: Full=Alpha-amylase/pullulanase;
DE AltName: Full=Pullulanase type II;
DE Includes:
DE RecName: Full=Alpha-amylase;
DE EC=3.2.1.1;
DE AltName: Full=1,4-alpha-D-glucan glucanohydrolase;
DE Includes:
DE RecName: Full=Pullulanase;
DE EC=3.2.1.41;
DE AltName: Full=1,4-alpha-D-glucan glucanohydrolase;
DE AltName: Full=Alpha-dextrin endo-1,6-alpha-glucosidase;
DE Flags: Precursor;
GN Name=amyB;
OS Thermoanaerobacterium thermosulfurigenes (Clostridium thermosulfurogenes).
OC Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC Thermoanaerobacterales Family III. Incertae Sedis; Thermoanaerobacterium.
OX NCBI_TaxID=33950;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=DSM 3896 / EM1;
RX PubMed=8195085; DOI=10.1128/jb.176.11.3295-3302.1994;
RA Matuschek M., Burchhardt G., Sahm K., Bahl H.;
RT "Pullulanase of Thermoanaerobacterium thermosulfurigenes EM1 (Clostridium
RT thermosulfurogenes): molecular analysis of the gene, composite structure of
RT the enzyme, and a common model for its attachment to the cell surface.";
RL J. Bacteriol. 176:3295-3302(1994).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in
CC polysaccharides containing three or more (1->4)-alpha-linked D-
CC glucose units.; EC=3.2.1.1;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Hydrolysis of (1->6)-alpha-D-glucosidic linkages in pullulan,
CC amylopectin and glycogen, and in the alpha- and beta-limit dextrins
CC of amylopectin and glycogen.; EC=3.2.1.41;
CC -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000250|UniProtKB:Q60053};
CC -!- SUBCELLULAR LOCATION: Secreted, cell wall. Note=It C-terminus may serve
CC as an S-layer anchor.
CC -!- PTM: Glycosylated.
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family. {ECO:0000305}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; M57692; AAB00841.1; -; Genomic_DNA.
DR AlphaFoldDB; P38536; -.
DR SMR; P38536; -.
DR CAZy; CBM20; Carbohydrate-Binding Module Family 20.
DR CAZy; CBM34; Carbohydrate-Binding Module Family 34.
DR CAZy; GH13; Glycoside Hydrolase Family 13.
DR PRIDE; P38536; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-KW.
DR GO; GO:0004556; F:alpha-amylase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0051060; F:pullulanase activity; IEA:UniProtKB-EC.
DR GO; GO:2001070; F:starch binding; IEA:InterPro.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR CDD; cd02857; E_set_CDase_PDE_N; 1.
DR CDD; cd00063; FN3; 1.
DR Gene3D; 2.60.40.10; -; 6.
DR Gene3D; 2.60.40.1180; -; 1.
DR InterPro; IPR031319; A-amylase_C.
DR InterPro; IPR013784; Carb-bd-like_fold.
DR InterPro; IPR002044; CBM_fam20.
DR InterPro; IPR003961; FN3_dom.
DR InterPro; IPR036116; FN3_sf.
DR InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR InterPro; IPR004185; Glyco_hydro_13_lg-like_dom.
DR InterPro; IPR013780; Glyco_hydro_b.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR InterPro; IPR013783; Ig-like_fold.
DR InterPro; IPR014756; Ig_E-set.
DR InterPro; IPR001119; SLH_dom.
DR Pfam; PF00128; Alpha-amylase; 1.
DR Pfam; PF02903; Alpha-amylase_N; 1.
DR Pfam; PF00395; SLH; 3.
DR SMART; SM00642; Aamy; 1.
DR SMART; SM00632; Aamy_C; 1.
DR SMART; SM01065; CBM_2; 1.
DR SMART; SM00060; FN3; 2.
DR SUPFAM; SSF49265; SSF49265; 2.
DR SUPFAM; SSF49452; SSF49452; 1.
DR SUPFAM; SSF51445; SSF51445; 1.
DR SUPFAM; SSF81296; SSF81296; 1.
DR PROSITE; PS51166; CBM20; 1.
DR PROSITE; PS50853; FN3; 2.
DR PROSITE; PS51272; SLH; 3.
PE 3: Inferred from homology;
KW Calcium; Carbohydrate metabolism; Cell wall; Glycoprotein; Glycosidase;
KW Hydrolase; Metal-binding; Repeat; Secreted; Signal.
FT SIGNAL 1..35
FT /evidence="ECO:0000255"
FT CHAIN 36..1861
FT /note="Amylopullulanase"
FT /id="PRO_0000001325"
FT DOMAIN 929..1021
FT /note="Fibronectin type-III 1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00316"
FT DOMAIN 1158..1252
FT /note="Fibronectin type-III 2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00316"
FT DOMAIN 1246..1354
FT /note="CBM20"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00594"
FT DOMAIN 1677..1740
FT /note="SLH 1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00777"
FT DOMAIN 1741..1799
FT /note="SLH 2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00777"
FT DOMAIN 1802..1861
FT /note="SLH 3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00777"
FT REGION 1448..1486
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 628
FT /note="Nucleophile"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT ACT_SITE 657
FT /note="Proton donor"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 248
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 250
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 288
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 343
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 401
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 403
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 406
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 407
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 453
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000250|UniProtKB:Q60053"
FT BINDING 526
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P38940"
FT BINDING 626
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P38940"
FT BINDING 733..734
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P38940"
FT BINDING 793
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P38940"
FT BINDING 797
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P38940"
FT SITE 734
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000250"
FT CONFLICT 1734
FT /note="D -> E (in Ref. 1; AAB00841)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 1861 AA; 206104 MW; 06C23070E453B574 CRC64;
MNKKLFTNRF ISFNMSLLLV LTAVFSSIPL HSVHAADNAS VVANIVGEFQ DQLGDSNWNI
DSNITIMQYM GNGLYEFTTP TQLKAGSYQY KVALNHSWDG GGVPSQGNLT LNLANDSYVT
FWFDYNTQSV TDSTKYTPIA NDKLPRLVGT IQSAIGAGND WKPETSTAIM TDDNFDNVYS
YTAHVPKGDY QYKVTLGNTW DENYGANGVK DGSNIQINVT NDADITFYYD ANTHNIWTNY
SPILTGLDNN IYYDDLKHDT HDSFFRNPFG AVKVDQTVTL RIQAKNHDLE SARISYWDDI
NKIRIELPMT RIGESPDGNF EYWEIKLSFD HPTRIWYYFI LKDGTKTAYY GDNDDQLGGV
GKATDTVNKD FELTVYDKNF DTPDWMKGAV MYQIFPDRFY NGDTSNDHAK TLSRGNDPIE
FHNNWNDLPD NPNNAGTPGY TGDGIWSNDF FGDLKGIDDK LDYLKGLGVS VIYLNPIFES
PSNHKYDTAD YTKIDEMFGT TQDFEKLMSD AHAKGIKIIL DGVFNHTSDD SIYFNRYGKY
PGLGAYQAWK EGNQSLSPYG DWYTINSDGT YECWWGYDSL PVIKSLNGSE YNVTSWANFI
INDENAISKY WLNPDGNLND GADGWRLDVE NEVAHDFWTH FRNAINTVKF EAPMIAENWG
DASLDLLGDS FNSVMNYQFR NDIIDFLIGQ SFDDGNGQHN PIDAAKLDQR LMSIYERYPL
PAFYSTMNLL GSHDTMRILT VFGYNSADPN ENSDAAKQLA EQKLKLATIL QMGYPGMADI
YYGDEAGVSG GKDPDDRRTF PWGNEDTTLQ DFFKNISSIR NNNQVLKTGD LETLYAQNDV
YAIGRRIING KDAFGTSYPD SAAIVAINRS KSDKQIAIDT TKFLRDGVTF KDLINNNVSY
SISNGQIVID VPAMSGVMLI SDDGQDLTAP QAPSNVVVTS GNGKVDLSWL QSDGATGYNI
YRSSVEGGLY EKIASNVTET TFEDANVTNG LKYVYAISAI DELGNESGIS NDAVAYPAYP
IGWVGNLTQV SDNHIIGVDK PTEDIYAEVW ADGLTNSTGQ GPNMIAQLGY KYVSGTVYDS
VYGSVYNSVY GVDDSGFTWV NAQYVGDIGN NDQYKASFTP DKIGQWEYLM RFSDNQGQDW
ITTSTLSFYV VPSDDLIKPT APYLNQPGTE SSRVSLTWNP STDNVGIYDY EIYRSDGGTF
NKIATVSNEV YNYIDTSVIN GVTYNYKVVA VDLSFNRTES NVVTIKPDVV PIKVIFNVTV
PDYTPDAVNL AGTFPNATWD PSAQQMTKID NNTYSITLTL DEGTQIEYKY ARGSWDKVEK
DEYGNEFASN RKVTIVNQGN NEMTINDTVY RWRDIPIFIY SPSSNMTVDS NISTMEVKGN
TYKGAKVTIN GDSFVQDKNG VFTKDVSLNY GVNKIKIHVE PNDGSVYGND QGRITELTKD
IEIDVIRQEN NSGSGTGNNN TSTSGSNSSS TGSGSTGSTS ITSNISNTSN TSNTIGVITK
NGNVITLTLD AGKAKDLIVN SKDKKVVFDI TTIGEGQQKV VQISKDILDT SAANGKDIVI
KSDNASIALT KDALNQNQIQ NGVNVSIKDN GKPNVTNYVS LSNVVDITIS GISGNVTLAK
PVEVTLNISK ANDPRKVAVY YYNPTTNQWE YVGGKVDASS GTITFNATHF SQYAAFEYDK
TFNDIKDNWA KDVIEVLASR HIVEGMTDTQ YEPNKTVTRA EFTAMILRLL NIKDETYSGE
FSDVKSGDWY ANAIEAAYKA GIIEGDGKNA RPNDSITREE MTAIAMRAYE MLTQYKEENI
GATTFSDDKS ISDWARNVVA NAAKLGIVNG EPNNVFAPKG NATRAEAAAI IYGLLEKSGN
I