eF-site ID 1ahb-A PDB Code 1ahb Chain A click to enlarge Title THE N-GLYCOSIDASE MECHANISM OF RIBOSOME-INACTIVATING PROTEINS IMPLIED BY CRYSTAL STRUCTURES OF ALPHA-MOMORCHARIN Classification GLYCOSIDASE Compound ALPHA-MOMORCHARIN Source Momordica charantia (Bitter gourd) (Balsam pear) (RIP1_MOMCH) Sequence A:  DVSFRLSGADPRSYGMFIKDLRNALPFREKVYNIPLLLPS VSGAGRYLLMHLFNYDGKTITVAVDVTNVYIMGYLADTTS YFFNEPAAELASQYVFRDARRKITLPYSGNYERLQIAAGK PREKIPIGLPALDSAISTLLHYDSTAAAGALLVLIQTTAE AARFKYIEQQIQERAYRDEVPSLATISLENSWSGLSKQIQ LAQGNNGIFRTPIVLVDNKGNRVQITNVTSKVVTSNIQLL LNTRNI Description Functional site 1) chain A residue 70 type sequence Y description CATALYTIC SITE source : CAT 2) chain A residue 160 type sequence E description CATALYTIC SITE source : CAT 3) chain A residue 163 type sequence R description CATALYTIC SITE source : CAT 4) chain A residue 69 type sequence V description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 5) chain A residue 70 type sequence Y description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 6) chain A residue 71 type sequence I description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 7) chain A residue 109 type sequence G description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 8) chain A residue 111 type sequence Y description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 9) chain A residue 155 type sequence I description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 10) chain A residue 163 type sequence R description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 11) chain A residue 189 type sequence E description BINDING SITE FOR RESIDUE FMP A 339 source : AC1 12) chain A residue 71 type catalytic sequence I description 825 source MCSA : MCSA1 13) chain A residue 160 type catalytic sequence E description 825 source MCSA : MCSA1 14) chain A residue 163 type catalytic sequence R description 825 source MCSA : MCSA1 15) chain A residue 155-171 type prosite sequence IQTTAEAARFKYIEQQI description SHIGA_RICIN Shiga/ricin ribosomal inactivating toxins active site signature. IqTTaEAARFKyIEqqI source prosite : PS00275 16) chain A residue 160 type ACT_SITE sequence E description source Swiss-Prot : SWS_FT_FI1 17) chain A residue 227 type CARBOHYD sequence N description N-linked (GlcNAc...) asparagine source Swiss-Prot : SWS_FT_FI2

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