P80072 (MALT_BACTQ) Reviewed, UniProtKB/Swiss-Prot

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	cellular organisms › Bacteria › Firmicutes › Bacilli › Bacillales › Bacillaceae › Bacillus

Protein attributes

Sequence length	15 AA.
Sequence status	Fragment.
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)
Molecular_function	maltose 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 [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] [Europe PMC] [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.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
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:	April 3, 2013
This is version 37 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program