GUN4_RUMAL
ID GUN4_RUMAL Reviewed; 312 AA.
AC Q07940;
DT 01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-1995, sequence version 1.
DT 25-MAY-2022, entry version 83.
DE RecName: Full=Endoglucanase 4;
DE EC=3.2.1.4;
DE AltName: Full=Cellulase 4;
DE AltName: Full=Endo-1,4-beta-glucanase 4;
DE AltName: Full=Endoglucanase IV;
DE Short=EG-IV;
GN Name=Eg IV;
OS Ruminococcus albus.
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Oscillospiraceae;
OC Ruminococcus.
OX NCBI_TaxID=1264;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PROTEIN SEQUENCE OF 1-19.
RC STRAIN=F-40;
RA Karita S., Morioka K., Kajino T., Sakka K., Shimada K., Ohmiya K.;
RT "Cloning and sequencing of a novel endo-1,4-beta-glucanase gene from
RT Ruminococcus albus.";
RL J. Ferment. Bioeng. 76:439-444(1993).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endohydrolysis of (1->4)-beta-D-glucosidic linkages in
CC cellulose, lichenin and cereal beta-D-glucans.; EC=3.2.1.4;
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC pH dependence:
CC Optimum pH is 7.;
CC Temperature dependence:
CC Optimum temperature is 40 degrees Celsius.;
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 5 (cellulase A) family.
CC {ECO:0000305}.
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DR EMBL; AB016777; BAA32286.1; -; Genomic_DNA.
DR AlphaFoldDB; Q07940; -.
DR SMR; Q07940; -.
DR CAZy; GH5; Glycoside Hydrolase Family 5.
DR OMA; THGIQWF; -.
DR GO; GO:0008810; F:cellulase activity; IEA:UniProtKB-EC.
DR GO; GO:0030245; P:cellulose catabolic process; IEA:UniProtKB-KW.
DR InterPro; IPR001547; Glyco_hydro_5.
DR InterPro; IPR018087; Glyco_hydro_5_CS.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR Pfam; PF00150; Cellulase; 1.
DR SUPFAM; SSF51445; SSF51445; 1.
DR PROSITE; PS00659; GLYCOSYL_HYDROL_F5; 1.
PE 1: Evidence at protein level;
KW Carbohydrate metabolism; Cellulose degradation; Direct protein sequencing;
KW Glycosidase; Hydrolase; Polysaccharide degradation.
FT CHAIN 1..312
FT /note="Endoglucanase 4"
FT /id="PRO_0000184050"
FT ACT_SITE 135
FT /note="Proton donor"
FT /evidence="ECO:0000250|UniProtKB:O85465"
FT ACT_SITE 222
FT /note="Nucleophile"
FT /evidence="ECO:0000250|UniProtKB:O85465"
SQ SEQUENCE 312 AA; 35767 MW; A8BAADD9F93A8CBC CRC64;
MLDKLKVING KLTAGEKPVR LFGLSTHGIA WYPEYICEES FNALKKDWRT NCIRIAMYTD
EFRGYCKDGN KQHLKELIEK GVVIAEKLDM YVIVDWHVLC DQDPMKYIDE AEEFFSDMSK
RFANKTNVIY EICNEPNCSG TWDKITEYAD RIIPIIRSNS PDALIVTGTS TWSQDIHCAL
EKPLKWDNVM YSLHFYAATH KGTLRSRLER CIEAGLPVFI NEFNLCEASG KGDIDIDEAN
AWYEVIDRLG LSCISWCLSN SGDTCGVFTQ NCTKLSGWTD EDIKTSGKII KGWFEAFADE
ENTNEQCFRI DK