Reviewed, UniProtKB/Swiss-Prot P80072 (MALT_BACTQ)

Names and origin

Protein names	Recommended name:     Maltase     EC=3.2.1.20 Alternative name(s):     Alpha-glucosidase I
Organism	Bacillus thermoamyloliquefaciens
Taxonomic identifier	1425 [NCBI]
Taxonomic lineage	Bacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus

Protein attributes

Sequence length	15 AA.
Sequence status	Fragment.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Catalytic activity	Hydrolysis of terminal, non-reducing (1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose.
Sequence similarities	Belongs to the glycosyl hydrolase 13 family.

Ontologies

Keywords
Molecular function	Glycosidase Hydrolase
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological process	metabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	alpha-glucosidase 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
	Chain	1 – ›15	›15	Maltase		PRO_0000054326
Experimental info
	Non-terminal residue	15	1

Sequences

	Sequence		Length	Mass (Da)
	P80072-1 [UniParc]. Last modified August 1, 1992. Version 1. Checksum: 62B4CE501F2D3042	FASTA	15	1,929
	10 MKKAWWKEGV VYQIY

References

[1]

"Assignment of Bacillus thermoamyloliquefaciens KP1071 alpha-glucosidase I to an exo-alpha-1,4-glucosidase, and its striking similarity to bacillary oligo-1,6-glucosidases in N-terminal sequence and in structural parameters calculated from the amino acid composition." Suzuki Y., Yonezawa K., Hattori M., Takii Y. Eur. J. Biochem. 205:249-256(1992) [PubMed: 1555585] [Abstract] Cited for: PROTEIN SEQUENCE. Strain: KP1071 / FERM P8477.

Cross-references

Sequence databases
PIR	S21240.
3D structure databases
ModBase	Search...
Protein family/group databases
CAZy	GH13. Glycoside Hydrolase Family 13.
Enzyme and pathway databases
BRENDA	3.2.1.20. 288695.
Family and domain databases
ProtoNet	Search...

Entry information

Entry name

MALT_BACTQ

Accession

Primary (citable) accession number: P80072

Entry history

Integrated into UniProtKB/Swiss-Prot:	August 1, 1992
Last sequence update:	August 1, 1992
Last modified:	May 5, 2009
This is version 32 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)