Structure of PDB 8kaj Chain B Binding Site BS02

Receptor Information

>8kaj Chain B (length=1326) Species: 301447 (Streptococcus pyogenes serotype M1)

KYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALLF
DSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEE
SFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRL
IYLALAHMIKFRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINA
SGVDAKAILSARLSKSRRLENLIAQLPGEKKNGLFGNLIALSLGLTPNFK
SNFDLAEDAKLQLSKDTYDDDLDNLLAQIGDQYADLFLAAKNLSDAILLS
DILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFFD
QSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLRKQR
TFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVG
PLARGNSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLP
NEKVLPKHSLLYEYFTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLF
KTNRKVTVKQLKEDYFKKIECFDSVEISGVEDRFNASLGTYHDLLKIIKD
KDFLDNEENEDILEDIVLTLTLFEDREMIEERLKTYAHLFDDKVMKQLKR
RRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQLIHDDSLT
FKEDIQKAQVSGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHK
PENIVIEMARNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYLYY
LQNGRDMYVDQELDINRLSDYDVDAIVPQDDSIDNKVLTRSDKNRGKSDN
VPSEEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKR
QLVETRQITKHVAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKD
FQFYKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVYGDKVYDVRK
MAKYFFYSNIMNFFKTEITLKRPLIETNGETGEIVWDKGRDFATVRKVLS
MPQVNIVKKTEVQTGGFSKESILPKRNSDKLIARKKDWDPKKYGGFDSPT
VAYSVLVVAKVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAKGYK
EVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNFLYL
ASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADANLD
KVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTS
TKEVLDATLIHQSITGLYETRIDLSQ

Ligand information

>8kaj Chain C (length=24)

caataccttttatccataaattcg

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8kaj Trans-nuclease activity of Cas9 activated by DNA or RNA target binding.
• Resolution: 3.42 Å
• Binding residue (original residue number in PDB): Y450 F491 M495 R925 Q926 K1107 E1108 S1109 K1334 S1338
• Binding residue (residue number reindexed from 1): Y447 F488 M492 R906 Q907 K1069 E1070 S1071 K1296 S1300

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

External links

• PDB: RCSB:8kaj, PDBe:8kaj, PDBj:8kaj
• PDBsum: 8kaj
• PubMed: 38811761
• UniProt: Q99ZW2|CAS9_STRP1 CRISPR-associated endonuclease Cas9/Csn1 (Gene Name=cas9)