Structure of PDB 6k57 Chain B Binding Site BS02

Receptor Information
>6k57 Chain B (length=1315) Species: 301447 (Streptococcus pyogenes serotype M1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALLF
DSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEE
SFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRL
IYLALAHMIKFRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINA
SGVDAKAILSARLSKSRRLENLIAQLPGEKKNGLFGNLIALSLGLTPNFK
SNFDLAEDAKLQLSKDTYDDDLDNLLAQIGDQYADLFLAAKNLSDAILLS
DILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFFD
QSKNGYAGYIDGGASQEEFYKFIKPILEKMTEELLVKLNREDLLRKQRTF
DNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPL
ARGNSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNE
KVLPKHSLLYEYFTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKT
NRKVTVKQLKEDYFKKIECFDSVEISGVEDRFNASLGTYHDLLKIIKDKD
FLDNEENEDILEDIVLTLTLFEDREMIEERLKTYAHLFDDKVMKQLKRRR
YTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQLIHDDSLTFK
EDIQKAQVSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHKPENIV
IEMARNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYLYYLQNGR
DMYVDQELDINRLSDYDVDAIVPQSFLKDDSIDNKVLTRSDKNRGKSDNV
PSEEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQ
LVETRQITKHVAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDF
QFYKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVYGDGKATAKYF
FYSNIMNFFKTEIKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIV
KKTEVQTGGFSKESILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLV
VAKVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAKGYKEVKKDLI
IKLPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNFLYLASHYGSP
EDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADANLDKVLSAYNKHRD
KPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLDATLIH
QSITGLYETRIDLSQ
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6k57 Molecular basis for the PAM expansion and fidelity enhancement of an evolved Cas9 nuclease.
Resolution2.98 Å
Binding residue
(original residue number in PDB)		L169 Y450 M495 T496 N497 K526 G582 N588 E627 W659 N692 M694 Q695 H698 R778 R925 Q926 K1107 E1108 S1109 K1334
Binding residue
(residue number reindexed from 1)		L166 Y445 M490 T491 N492 K521 G577 N583 E622 W654 N687 M689 Q690 H693 R758 R905 Q906 K1062 E1063 S1064 K1285
Enzymatic activity
Enzyme Commision number 3.1.-.-
Gene Ontology
Molecular Function
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:6k57, PDBe:6k57, PDBj:6k57
PDBsum6k57
PubMed31603896
UniProtQ99ZW2|CAS9_STRP1 CRISPR-associated endonuclease Cas9/Csn1 (Gene Name=cas9)

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