Structure of PDB 3a34 Chain A

Receptor sequence

>3a34A (length=129) Species: 9031 (Gallus gallus)

KVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNTDGS
TDYGILQINSRWWCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKKIVS
DGNGMNAWVAWRNRCKGTDVQAWIRGCRL

3D structure

• PDB: 3a34 Implication of Arg bindings on aromatic surfaces of lysozyme for additives that prevent protein aggregation
• Chain: A
• Resolution: 1.65 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): E35 N46 D48 S50 D52 N59
• Catalytic site (residue number reindexed from 1): E35 N46 D48 S50 D52 N59
• 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	ARG	A	E35 V109 A110	E35 V109 A110
BS02	ARG	A	D48 R61 W62	D48 R61 W62
BS03	ARG	A	W62 L75 D101	W62 L75 D101
BS04	ARG	A	R5 A122 W123 R125	R5 A122 W123 R125

Gene Ontology

Molecular Function

• GO:0003796 lysozyme activity
• GO:0005515 protein binding
• GO:0016231 beta-N-acetylglucosaminidase activity
• GO:0016798 hydrolase activity, acting on glycosyl bonds
• GO:0042802 identical protein binding

Biological Process

• GO:0016998 cell wall macromolecule catabolic process
• GO:0031640 killing of cells of another organism
• GO:0042742 defense response to bacterium
• GO:0050829 defense response to Gram-negative bacterium
• GO:0050830 defense response to Gram-positive bacterium

Cellular Component

• GO:0005576 extracellular region
• GO:0005615 extracellular space
• GO:0005737 cytoplasm
• GO:0005783 endoplasmic reticulum

External links

• PDB: RCSB:3a34, PDBe:3a34, PDBj:3a34
• PDBsum: 3a34
• UniProt: P00698|LYSC_CHICK Lysozyme C (Gene Name=LYZ)