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4UN4

Crystal structure of Cas9 bound to PAM-containing DNA target with mismatches at positions 1-2

Functional Information from GO Data
ChainGOidnamespacecontents
B0003677molecular_functionDNA binding
B0003723molecular_functionRNA binding
B0004518molecular_functionnuclease activity
B0004519molecular_functionendonuclease activity
B0004520molecular_functionDNA endonuclease activity
B0004527molecular_functionexonuclease activity
B0008408molecular_function3'-5' exonuclease activity
B0016787molecular_functionhydrolase activity
B0043571biological_processmaintenance of CRISPR repeat elements
B0046872molecular_functionmetal ion binding
B0051607biological_processdefense response to virus
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 1082
ChainResidue
AHOH3067
AHOH3069
AHOH3070
AHOH3204

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 1083
ChainResidue
AU50
AHOH3121
AHOH3122
AHOH3124
AHOH3138

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 1084
ChainResidue
AA65
AU66
AHOH3171
AHOH3189
BTHR1102

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 2365
ChainResidue
BLEU623
BTHR624
BPHE626
BTYR656
BHOH3245

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 2366
ChainResidue
AA68
AHOH3190
AHOH3192
BGLN1350
BHOH3351

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG B 2367
ChainResidue
BILE226
BLEU229
BGLU232
BHOH3112

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 2368
ChainResidue
BGLU584
BARG586
BASN588

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 1085
ChainResidue
AG21
AHOH3066
AHOH3067
AHOH3102

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues17
DetailsRegion: {"description":"ARM","evidences":[{"source":"PubMed","id":"24505130","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues47
DetailsRegion: {"description":"RuvC-II","evidences":[{"source":"PubMed","id":"24505130","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsMotif: {"description":"PAM substrate-binding","evidences":[{"source":"PubMed","id":"25079318","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsActive site: {"description":"For RuvC-like nuclease domain","evidences":[{"source":"PubMed","id":"24529477","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsActive site: {"description":"Proton acceptor for HNH nuclease domain","evidences":[{"source":"PubMed","id":"24529477","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24505130","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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