Structure of PDB 1lrt Chain B

Receptor sequence
>1lrtB (length=334) [Search protein sequence]
AKYYNEPCHTFNEYLLIPGLSTVDCIPSNVNLSTPLVKFQKGQQSEINLK
IPLVSAIMQSVSGEKMAIALAREGGISFIFGSQSIESQAAMVHAVKNFKR
YLVGAGINTRDFRERVPALVEAGADVLCIDSSDGFSEWQKITIGWIRDKY
GDKVKVGAGNIVDGEGFRYLADAGADFIKIGIGGGSICEQKGIGRGQATA
VIDVVAERNKYFEETGIYIPVCSDGGIVYDYHMTLALAMGADFIMLGRYF
ARFEESPTRKVTINGSVMKEYWGEGSSRARNWDSYVPYAGKLKDNVEASL
NKVKSTMCNCGALTIPQLQSKAKITLVSSVSIVE
3D structure
PDB1lrt Crystal structure of a ternary complex of Tritrichomonas foetus inosine 5'-monophosphate dehydrogenase: NAD+ orients the active site loop for catalysis
ChainB
Resolution2.2 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 1.1.1.205: IMP dehydrogenase.
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 IMP B M59 G316 S317 I318 C319 D358 G381 R382 Y405 G407 E408 G409 M58 G185 S186 I187 C188 D224 G247 R248 Y271 G273 E274 G275
BS02 TAD B T240 R241 D261 S262 S263 W269 I313 E408 T109 R110 D130 S131 S132 W138 I182 E274 MOAD: Ki=2.3uM
PDBbind-CN: -logKd/Ki=5.64,Ki=2.3uM
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0003938 IMP dehydrogenase activity
GO:0016491 oxidoreductase activity
Biological Process
GO:0006164 purine nucleotide biosynthetic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1lrt, PDBe:1lrt, PDBj:1lrt
PDBsum1lrt
PubMed12403633
UniProtP50097|IMDH_TRIFO Inosine-5'-monophosphate dehydrogenase (Gene Name=IMPDH)

[Back to BioLiP]