Structure of PDB 7ox7 Chain B Binding Site BS02

Receptor Information

>7ox7 Chain B (length=1323) Species: 301447 (Streptococcus pyogenes serotype M1)

KKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALL
FDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLE
ESFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLR
LIYLALAHMIKFRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPIN
ASGVDAKAILSARLSKSRRLENLIAQLPGEKKNGLFGNLIALSLGLTPNF
KSNFDLAEDAKLQLSKDTYDDDLDNLLAQIGDQYADLFLAAKNLSDAILL
SDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFF
DQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLRKQ
RTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYV
GPLARGNSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNL
PNEKVLPKHSLLYEYFTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLL
FKTNRKVTVKQLKEDYFKKIECFDSVEISGVEDRFNASLGTYHDLLKIIK
DKDFLDNEENEDILEDIVLTLTLFEDREMIEERLKTYAHLFDDKVMKQLK
RRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQLIHDDSL
TFKEDIQKAQVGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHK
PENIVIEMARNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYLYY
LQNGRDMYVDQELDINRLSDYDVDAIVPQSFLKDDSIDNKVLTRSDKNRG
KSDNVPSEEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERLSELDKAGFI
KRQLVETRQITKHVAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFR
KDFQFYKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVYGDYKVAT
AKYFFYSNIMNFFKTEITLGEIRKRPLIETNGETGEIVWDKGRDFATVRK
VLSMPQVNIVKKTEVQTGGFSKESILPKRNSDKLIARKKDWDPKKYGGFD
SPTVAYSVLVVAKVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAK
GYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNF
LYLASHYDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADANLDKVLSA
YNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVL
DATLIHQSITGLYETRIDLSQLG

Ligand information

>7ox7 Chain C (length=28)

caataccgtgtaccagctgagagactct

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7ox7 Conformational control of Cas9 by CRISPR hybrid RNA-DNA guides mitigates off-target activity in T cells.
• Resolution: 2.6 Å
• Binding residue (original residue number in PDB): L169 Y450 M495 T496 N497 K526 W659 R661 M694 Q695 H698 A728 R925 Q926 H930 K1107 E1108 S1109
• Binding residue (residue number reindexed from 1): L167 Y448 M493 T494 N495 K524 W657 R659 M692 Q693 H696 A723 R908 Q909 H913 K1072 E1073 S1074

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:7ox7, PDBe:7ox7, PDBj:7ox7
• PDBsum: 7ox7
• PubMed: 34478654
• UniProt: Q99ZW2|CAS9_STRP1 CRISPR-associated endonuclease Cas9/Csn1 (Gene Name=cas9)