Structure of PDB 4ekq Chain B

Receptor sequence
>4ekqB (length=174) Species: 10665 (Tequatrovirus T4) [Search protein sequence]
TTENLYFQGSMNIFEMLRIDEGLRLKIYKDCEGYYTIGIGHLLTKSPDLN
AAKSELDKAIGRNCNGVITKDEAEKLFNQDVDAAVRGILRNAKLKPVYDS
LDAVRRCAAINHVFQMGVTGVAGFTNVLRMLQQKRWDEAAVNLAKSRWYN
QCPDRAKRVITTFRTGTWDAYKNL
3D structure
PDB4ekq Engineering a model protein cavity to catalyze the Kemp elimination.
ChainB
Resolution1.54 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) E11 D20
Catalytic site (residue number reindexed from 1) E21 D30
Enzyme Commision number 3.2.1.17: lysozyme.
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 NPO B I78 V87 Y88 A99 H102 V111 L118 L121 F153 I88 V97 Y98 A109 H112 V121 L128 L131 F163 MOAD: Kd=2uM
BindingDB: Kd=3000nM
Gene Ontology
Molecular Function
GO:0003796 lysozyme activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0009253 peptidoglycan catabolic process
GO:0016998 cell wall macromolecule catabolic process
GO:0031640 killing of cells of another organism
GO:0042742 defense response to bacterium
GO:0044659 viral release from host cell by cytolysis
Cellular Component
GO:0030430 host cell cytoplasm

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4ekq, PDBe:4ekq, PDBj:4ekq
PDBsum4ekq
PubMed22988064
UniProtP00720|ENLYS_BPT4 Endolysin (Gene Name=E)

[Back to BioLiP]