Reviewed, UniProtKB/Swiss-Prot P17989 (GUB_FIBSU)

Names and origin

Protein names	Recommended name:     Beta-glucanase     EC=3.2.1.73 Alternative name(s):     Endo-beta-1,3-1,4 glucanase     1,3-1,4-beta-D-glucan 4-glucanohydrolase     Mixed linkage beta-glucanase     Lichenase
Organism	Fibrobacter succinogenes (Bacteroides succinogenes)
Taxonomic identifier	833 [NCBI]
Taxonomic lineage	Bacteria › Fibrobacteres › Fibrobacterales › Fibrobacteraceae › Fibrobacter

Protein attributes

Sequence length	349 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level.

General annotation (Comments)

Catalytic activity	Hydrolysis of (1->4)-beta-D-glucosidic linkages in beta-D-glucans containing (1->3)- and (1->4)-bonds.
Sequence similarities	Belongs to the glycosyl hydrolase 16 family.

Ontologies

Keywords
Domain	Repeat Signal
Molecular function	Glycosidase Hydrolase
Technical term	3D-structure Direct protein sequencing
Gene Ontology (GO)
Biological process	carbohydrate metabolic process Inferred from electronic annotation. Source: InterPro
Molecular function	licheninase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Signal peptide

1 – 27

27

Ref.1

Chain

28 – 349

322

Beta-glucanase

PRO_0000011793

Regions

Repeat

271 – 277

7

1

Repeat

278 – 284

7

2

Repeat

285 – 291

7

3

Repeat

292 – 298

7

4

Repeat

301 – 307

7

5

Region

271 – 307

37

5 X 7 AA tandem repeats of P-X-S-S-S-S-X

Sites

Active site

79

1

Nucleophile By similarity

Active site

83

1

Proton donor By similarity

Secondary structure

1

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349

Helix Strand Turn

Details...

Beta strand

29 – 39

11

Beta strand

41 – 51

11

Beta strand

58 – 65

8

Turn

67 – 70

4

Beta strand

79 – 85

7

Beta strand

91 – 100

10

Beta strand

103 – 105

3

Beta strand

109 – 112

4

Turn

117 – 119

3

Beta strand

122 – 128

7

Beta strand

130 – 137

8

Beta strand

140 – 147

8

Helix

148 – 152

5

Beta strand

157 – 167

11

Helix

169 – 172

4

Helix

177 – 179

3

Beta strand

182 – 194

13

Turn

196 – 198

3

Beta strand

203 – 211

9

Turn

218 – 220

3

Beta strand

221 – 223

3

Beta strand

233 – 235

3

Helix

237 – 239

3

Beta strand

240 – 243

4

Beta strand

246 – 253

8

Sequences

	Sequence		Length	Mass (Da)
	P17989-1 [UniParc]. Last modified November 1, 1990. Version 1. Checksum: 16DC4F5BDEFC578A	FASTA	349	37,738
	10 20 30 40 50 60 MNIKKTAVKS ALAVAAAAAA LTTNVSAKDF SGAELYTLEE VQYGKFEARM KMAAASGTVS 70 80 90 100 110 120 SMFLYQNGSE IADGRPWVEV DIEVLGKNPG SFQSNIITGK AGAQKTSEKH HAVSPAADQA 130 140 150 160 170 180 FHTYGLEWTP NYVRWTVDGQ EVRKTEGGQV SNLTGTQGLR FNLWSSESAA WVGQFDESKL 190 200 210 220 230 240 PLFQFINWVK VYKYTPGQGE GGSDFTLDWT DNFDTFDGSR WGKGDWTFDG NRVDLTDKNI 250 260 270 280 290 300 YSRDGMLILA LTRKGQESFN GQVPRDDEPA PQSSSSAPAS SSSVPASSSS VPASSSSAFV 310 320 330 340 PPSSSSATNA IHGMRTTPAV AKEHRNLVNA KGAKVNPNGH KRYRVNFEH

References

[1]	"DNA sequence of a Fibrobacter succinogenes mixed-linkage beta-glucanase (1,3-1,4-beta-D-glucan 4-glucanohydrolase) gene." Teather R.M., Erfle J.D. J. Bacteriol. 172:3837-3841(1990) [PubMed: 2193918] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 28-57. Strain: S85 / ATCC 19169.
+	Additional computationally mapped references.

Cross-references

Sequence databases

EMBLGenBankDDBJ

M33676 Genomic DNA. Translation: AAA24896.1.

PIR

A44507.

3D structure databases

PDBPDBe

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
1MVE	X-ray	1.70	A	25-266	[»]
1ZM1	X-ray	2.30	A/B	27-267	[»]
2R49	X-ray	2.20	A	26-266	[»]
3HR9	X-ray	1.70	A	26-266	[»]

ModBase

Search...

Protein family/group databases

CAZy

GH16. Glycoside Hydrolase Family 16.

Enzyme and pathway databases

BRENDA

3.2.1.73. 15235.

Family and domain databases

InterPro

IPR008264. Beta_glucanase.
IPR013320. ConA-like_subgrp.
IPR000757. Glyco_hydro_16.
IPR008263. Glycoside_hydrolase_16_AS.
[Graphical view]

Gene3D

G3DSA:2.60.120.200. ConA_like_subgrp. 1 hit.

Pfam

PF00722. Glyco_hydro_16. 1 hit.
[Graphical view]

PRINTS

PR00737. GLHYDRLASE16.

PROSITE

PS01034. GLYCOSYL_HYDROL_F16. 1 hit.
[Graphical view]

ProtoNet

Search...

Entry information

Entry name

GUB_FIBSU

Accession

Primary (citable) accession number: P17989

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1990
Last sequence update:	November 1, 1990
Last modified:	October 13, 2009
This is version 69 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)