Structure of PDB 4un3 Chain B Binding Site BS02

Receptor Information
>4un3 Chain B (length=1306) Species: 1314 (Streptococcus pyogenes) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KYSIGLDIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALLF
DSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEE
SFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRL
IYLALAHMIKFRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINA
SGVDAKAILSARLSKSRRLENLIAQLPGEKKNGLFGNLIALSLGLTPNFK
SNFDLAEDAKLQLSKDTYDDDLDNLLAQIGDQYADLFLAAKNLSDAILLS
DILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFFD
QSKNGYAGYIDGGASQEEFYKFIKPILEKMDTEELLVKLNREDLLRKQRT
FDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGP
LARGNSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPN
EKVLPKHSLLYEYFTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFK
TNRKVTVKQLKEDYFKKIECFDSVEISGVEDRFNASLGTYHDLLKIIKDK
DFLDNEENEDILEDIVLTLTLFEDREMIEERLKTYAHLFDDKVMKQLKRR
RYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQLIHDDSLTF
KEDIQKSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHKPENIVIE
MARNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYLYYLQNGRDM
YVDQELDINRLSDYDVDAIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPS
EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLV
ETRQITKHVAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQF
YKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVYGDGKATAKYFFY
SNIMNFFKTEIKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKK
TEVQTGGFSKESILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVA
KVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAKGYKEVKKDLIIK
LPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNFLYLASHEQKQLF
VEQHKHYLDEIIEQISEFSKRVILADANLDKVLSAYNKHRDKPIREQAEN
IIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLDATLIHQSITGLYET
RIDLSQ
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4un3 Structural Basis of Pam-Dependent Target DNA Recognition by the Cas9 Endonuclease
Resolution2.593 Å
Binding residue
(original residue number in PDB)		Y450 F491 M495 N497 K526 E584 W659 N692 Q695 H698 R778 R925 Q926 K1107 E1108 S1109 K1334
Binding residue
(residue number reindexed from 1)		Y446 F487 M491 N493 K522 E580 W655 N688 Q691 H694 R756 R903 Q904 K1060 E1061 S1062 K1276
Enzymatic activity
Enzyme Commision number 3.1.-.-
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003723 RNA binding
GO:0004519 endonuclease activity
GO:0004520 DNA endonuclease activity
GO:0004527 exonuclease activity
GO:0008408 3'-5' exonuclease activity
GO:0046872 metal ion binding
Biological Process
GO:0043571 maintenance of CRISPR repeat elements
GO:0051607 defense response to virus

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4un3, PDBe:4un3, PDBj:4un3
PDBsum4un3
PubMed25079318
UniProtQ99ZW2|CAS9_STRP1 CRISPR-associated endonuclease Cas9/Csn1 (Gene Name=cas9)

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