Structure of PDB 4klb Chain B

Receptor sequence
>4klbB (length=215) Species: 5693 (Trypanosoma cruzi) [Search protein sequence]
APAAVDWRARGAVTAVKDQGQCGSCWAFSAIGNVECQWFLAGHPLTNLSE
QMLVSCDKTDSGCSGGLMNNAFEWIVQENNGAVYTEDSYPYASGEGISPP
CTTSGHTVGATITGHVELPQDEAQIAAWLAVNGPVAVAVDASSWMTYTGG
VMTSCVSEQLDHGVLLVGYNDSAAVPYWIIKNSWTTQWGEEGYIRIAKGS
NQCLVKEEASSAVVG
3D structure
PDB4klb Non-peptidic Cruzain Inhibitors with Trypanocidal Activity Discovered by Virtual Screening and In Vitro Assay.
ChainB
Resolution2.62 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) Q19 C25 H162 N182
Catalytic site (residue number reindexed from 1) Q19 C25 H162 N182
Enzyme Commision number 3.4.22.51: cruzipain.
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 1RV B D60 S61 G65 G66 D161 H162 D60 S61 G65 G66 D161 H162
Gene Ontology
Molecular Function
GO:0008234 cysteine-type peptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4klb, PDBe:4klb, PDBj:4klb
PDBsum4klb
PubMed23991231
UniProtP25779|CYSP_TRYCR Cruzipain

[Back to BioLiP]