Structure of PDB 4ddb Chain A

Receptor sequence

>4ddbA (length=129) Species: 9031 (Gallus gallus)

KVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNTDGS
TDYGILQINSRWWCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKKIVS
DGNGMNAWVAWRNRCKGTDVQAWIRGCRL

3D structure

• PDB: 4ddb Structural studies of the effect that dimethyl sulfoxide (DMSO) has on cisplatin and carboplatin binding to histidine in a protein.
• Chain: A
• Resolution: 3.0 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	CPT	A	R14 H15 D87 I88	R14 H15 D87 I88
BS02	DMS	A	N59 A107	N59 A107
BS03	DMS	A	S60 C64 N65 S72 R73	S60 C64 N65 S72 R73
BS04	DMS	A	N65 G67	N65 G67
BS05	DMS	A	N74 N77 I78 P79	N74 N77 I78 P79
BS06	DMS	A	R14 H15 T89	R14 H15 T89

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:4ddb, PDBe:4ddb, PDBj:4ddb
• PDBsum: 4ddb
• PubMed: 22525758
• UniProt: P00698|LYSC_CHICK Lysozyme C (Gene Name=LYZ)