Structure of PDB 1qw9 Chain A

Receptor sequence
>1qw9A (length=497) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence]
KATMIIEKDFKIAEIDKRIYGSFIEHLGRAVYGGIYEPGHPQADENGFRQ
DVIELVKELQVPIIRYPGGNFVSGYNWEDGVGPKEQRPRRLDLAWKSVET
NEIGLNEFMDWAKMVGAEVNMAVNLGTRGIDAARNLVEYCNHPSGSYYSD
LRIAHGYKEPHKIKTWCLGNAMDGPWQIGHKTAVEYGRIACEAAKVMKWV
DPTIELVVCGSSNRNMPTFAEWEATVLDHTYDHVDYISLHQYYGNRDNDT
ANYLALSLEMDDFIRSVVAIADYVKAKKRSKKTIHLSFDEWNVWYHSNEA
DKLIEPWTVAPPLLEDIYNFEDALLVGCMLITLMKHADRVKIACLAQLVN
VIAPIMTEKNGPAWKQTIYYPFMHASVYGRGVALHPVISSPKYDSKDFTD
VPYLESIAVYNEEKEEVTIFAVNRDMEDALLLECDVRSFEDYRVIEHIVL
EHDNVKQTNSAQSSPVVPHRNGDAQLSDRKVSATLPKLSWNVIRLGK
3D structure
PDB1qw9 Crystal structure and snapshots along the reaction pathway of a family 51 alpha-L-arabinofuranosidase
ChainA
Resolution1.2 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) A175 E294
Catalytic site (residue number reindexed from 1) A171 E290
Enzyme Commision number 3.2.1.55: non-reducing end alpha-L-arabinofuranosidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 KHP A E29 G73 N74 N174 Y246 E294 Q351 E25 G69 N70 N170 Y242 E290 Q347
Gene Ontology
Molecular Function
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0046556 alpha-L-arabinofuranosidase activity
Biological Process
GO:0000272 polysaccharide catabolic process
GO:0031222 arabinan catabolic process
GO:0046373 L-arabinose metabolic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1qw9, PDBe:1qw9, PDBj:1qw9
PDBsum1qw9
PubMed14517232
UniProtQ9XBQ3|IABF_GEOSE Intracellular exo-alpha-(1->5)-L-arabinofuranosidase (Gene Name=abfA)

[Back to BioLiP]