eF-site ID 6qbs-A PDB Code 6qbs Chain A click to enlarge Title The Alkyne Moiety as a Latent Electrophile in Irreversible Covalent Small Molecule Inhibitors of Cathepsin K Classification HYDROLASE Compound Cathepsin K Source (CATK_HUMAN) Sequence A:  APDSVDYRKKGYVTPVKNQGQCGSCWAFSSVGALEGQLKK KTGKLLNLSPQNLVDCVSENDGCGGGYMTNAFQYVQKNRG IDSEDAYPYVGQEESCMYNPTGKAAKCRGYREIPEGNEKA LKRAVARVGPVSVAIDASLTSFQFYSKGVYYDESCNSDNL NHAVLAVGYGIQKGNKHWIIKNSWGENWGNKGYILMARNK NNACGIANLASFPKM Description Functional site 1) chain A residue 19 type sequence Q description binding site for residue HVW A 301 source : AC1 2) chain A residue 25 type sequence C description binding site for residue HVW A 301 source : AC1 3) chain A residue 26 type sequence W description binding site for residue HVW A 301 source : AC1 4) chain A residue 59 type sequence E description binding site for residue HVW A 301 source : AC1 5) chain A residue 60 type sequence N description binding site for residue HVW A 301 source : AC1 6) chain A residue 61 type sequence D description binding site for residue HVW A 301 source : AC1 7) chain A residue 64 type sequence G description binding site for residue HVW A 301 source : AC1 8) chain A residue 65 type sequence G description binding site for residue HVW A 301 source : AC1 9) chain A residue 66 type sequence G description binding site for residue HVW A 301 source : AC1 10) chain A residue 67 type sequence Y description binding site for residue HVW A 301 source : AC1 11) chain A residue 68 type sequence M description binding site for residue HVW A 301 source : AC1 12) chain A residue 134 type sequence A description binding site for residue HVW A 301 source : AC1 13) chain A residue 160 type sequence L description binding site for residue HVW A 301 source : AC1 14) chain A residue 161 type sequence N description binding site for residue HVW A 301 source : AC1 15) chain A residue 162 type sequence H description binding site for residue HVW A 301 source : AC1 16) chain A residue 59 type sequence E description binding site for residue CA A 302 source : AC2 17) chain A residue 70 type sequence N description binding site for residue CA A 302 source : AC2 18) chain A residue 73 type sequence Q description binding site for residue CA A 302 source : AC2 19) chain A residue 122 type sequence K description binding site for residue CL A 303 source : AC3 20) chain A residue 176 type sequence K description binding site for residue CL A 303 source : AC3 21) chain A residue 198 type sequence R description binding site for residue CL A 303 source : AC3 22) chain A residue 199 type sequence N description binding site for residue CL A 303 source : AC3 23) chain A residue 19-30 type prosite sequence QGQCGSCWAFSS description THIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QGqCGSCWAfSS source prosite : PS00139 24) chain A residue 160-170 type prosite sequence LNHAVLAVGYG description THIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LNHAVLAVGYG source prosite : PS00639 25) chain A residue 177-196 type prosite sequence HWIIKNSWGENWGNKGYILM description THIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. HWIiKNSWgenWGnkGYIlM source prosite : PS00640 26) chain A residue 25 type ACT_SITE sequence C description ACT_SITE => ECO:0000250 source Swiss-Prot : SWS_FT_FI1 27) chain A residue 162 type ACT_SITE sequence H description ACT_SITE => ECO:0000250 source Swiss-Prot : SWS_FT_FI1 28) chain A residue 182 type ACT_SITE sequence N description ACT_SITE => ECO:0000250 source Swiss-Prot : SWS_FT_FI1

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