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3RZ4

Hen egg-white lysozyme in HEPES buffer at pH 7.5

Functional Information from GO Data
ChainGOidnamespacecontents
A0003796molecular_functionlysozyme activity
A0003824molecular_functioncatalytic activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0005737cellular_componentcytoplasm
A0005783cellular_componentendoplasmic reticulum
A0016231molecular_functionbeta-N-acetylglucosaminidase activity
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0016998biological_processcell wall macromolecule catabolic process
A0031640biological_processkilling of cells of another organism
A0042742biological_processdefense response to bacterium
A0042802molecular_functionidentical protein binding
A0050829biological_processdefense response to Gram-negative bacterium
A0050830biological_processdefense response to Gram-positive bacterium
A0051672biological_processobsolete catabolism by organism of cell wall peptidoglycan in other organism
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE EPE A 3380
ChainResidue
AARG21
AHOH173
AHOH226
AHOH228
AGLU35
AASN46
ATHR47
AASP52
AGLN57
ATRP108
AVAL109
AGLY126

Functional Information from PROSITE/UniProt
site_idPS00128
Number of Residues19
DetailsGLYCOSYL_HYDROL_F22_1 Glycosyl hydrolases family 22 (GH22) domain signature. CnipCsaLlssDItasvnC
ChainResidueDetails
ACYS76-CYS94

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues128
DetailsDomain: {"description":"C-type lysozyme","evidences":[{"source":"PROSITE-ProRule","id":"PRU00680","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 203
ChainResidueDetails
AGLU35hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AASN46
AASP48
ASER50
AASP52covalently attached, electrostatic stabiliser, nucleofuge, nucleophile, polar/non-polar interaction
AASN59

239149

PDB entries from 2025-07-23

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