Structure of PDB 2qtt Chain B

Receptor sequence
>2qttB (length=245) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
LRPISSVVFVIAMQAEALPLVNKFGLSETTDSPLGKGLPWVLYHGVHKDL
RINVVCPGRDAALGIDSVGTVPASLITFASIQALKPDIIINAGTCGGFKV
KGANIGDVFLVSDVVFHDRRIPIPMFDLYGVGLRQAFSTPNLLKELNLKI
GRLSTGDSLDMSTQDETLIIANDATLKDMEGAAVAYVADLLKIPVVFLKA
VTDLVDGDKPTAEEFLQNLTVVTAALEGTATKVINFINGRNLSDL
3D structure
PDB2qtt Molecular determinants of substrate specificity in plant 5'-methylthioadenosine nucleosidases.
ChainB
Resolution1.93 Å
3D
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
Enzyme Commision number 3.2.2.16: methylthioadenosine nucleosidase.
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 FMC B T116 C117 G118 L181 K199 D200 M201 E202 D225 F237 T94 C95 G96 L159 K177 D178 M179 E180 D203 F215 MOAD: Ki=48uM
PDBbind-CN: -logKd/Ki=4.32,Ki=48uM
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0008930 methylthioadenosine nucleosidase activity
GO:0016787 hydrolase activity
Biological Process
GO:0009086 methionine biosynthetic process
GO:0009116 nucleoside metabolic process
GO:0010087 phloem or xylem histogenesis
GO:0019509 L-methionine salvage from methylthioadenosine
Cellular Component
GO:0005829 cytosol
GO:0005886 plasma membrane

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:2qtt, PDBe:2qtt, PDBj:2qtt
PDBsum2qtt
PubMed18342331
UniProtQ9T0I8|MTN1_ARATH 5'-methylthioadenosine nucleosidase (Gene Name=MTN1)

[Back to BioLiP]