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1K0Z

Crystal Structure of the PvuII endonuclease with Pr3+ and SO4 ions bound in the active site at 2.05A.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0004519molecular_functionendonuclease activity
A0009036molecular_functiontype II site-specific deoxyribonuclease activity
A0009307biological_processDNA restriction-modification system
A0046872molecular_functionmetal ion binding
B0003677molecular_functionDNA binding
B0004519molecular_functionendonuclease activity
B0009036molecular_functiontype II site-specific deoxyribonuclease activity
B0009307biological_processDNA restriction-modification system
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PR A 201
ChainResidue
AGLY56
AASP58
AGLU68
ASO4202
AHOH281

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 202
ChainResidue
AHIS83
ATYR94
APR201
AGLY56
AGLU68
ALYS70
ATHR82

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PR B 203
ChainResidue
BGLY56
BASP58
BGLU68
BSO4204
BHOH233
BHOH296

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 204
ChainResidue
BGLY56
BGLU68
BLYS70
BTHR82
BTYR94
BPR203

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBINDING: BINDING => ECO:0000250
ChainResidueDetails
AASP58
AGLU68
BASP58
BGLU68

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1pvi
ChainResidueDetails
ALYS70

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1pvi
ChainResidueDetails
BLYS70

site_idMCSA1
Number of Residues3
DetailsM-CSA 897
ChainResidueDetails
AASP58metal ligand
AGLU68metal ligand
ALYS70proton shuttle (general acid/base)

site_idMCSA2
Number of Residues3
DetailsM-CSA 897
ChainResidueDetails
BASP58metal ligand
BGLU68metal ligand
BLYS70proton shuttle (general acid/base)

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PDB entries from 2024-07-24

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