eF-site ID 3a47-A PDB Code 3a47 Chain A click to enlarge Title Crystal structure of isomaltase from Saccharomyces cerevisiae Classification HYDROLASE Compound Oligo-1,6-glucosidase Source Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) (MALX3_YEAST) Sequence A:  SSAHPETEPKWWKEATFYQIYPASFKDSNDDGWGDMKGIA SKLEYIKELGADAIWISPFYDSPQDDMGYDIANYEKVWPT YGTNEDCFALIEKTHKLGMKFITDLVINHCSSEHEWFKES RSSKTNPKRDWFFWRPPKGYDAEGKPIPPNNWKSYFGGSA WTFDEKTQEFYLRLFCSTQPDLNWENEDCRKAIYESAVGY WLDHGVDGFRIDVGSLYSKVVGLPDAPVVDKNSTWQSSDP YTLNGPRIHEFHQEMNQFIRNRVKDGREIMTVGEMQHASD ETKRLYTSASRHELSELFNFSHTDVGTSPLFRYNLVPFEL KDWKIALAELFRYINGTDCWSTIYLENHDQPRSITRFGDD SPKNRVISGKLLSVLLSALTGTLYVYQGQELGQINFKNWP VEKYEDVEIRNNYNAIKEEHGENSEEMKKFLEAIALISRD HARTPMQWSREEPNAGFSGPSAKPWFYLNDSFREGINVED EIKDPNSVLNFWKEALKFRKAHKDITVYGYDFEFIDLDNK KLFSFTKKYNNKTLFAALNFSSDATDFKIPNDDSSFKLEF GNYPKKEVDASSRTLKPWEGRIYISE Description Functional site 1) chain A residue 30 type sequence D description BINDING SITE FOR RESIDUE CA A 602 source : AC1 2) chain A residue 32 type sequence N description BINDING SITE FOR RESIDUE CA A 602 source : AC1 3) chain A residue 34 type sequence D description BINDING SITE FOR RESIDUE CA A 602 source : AC1 4) chain A residue 36 type sequence W description BINDING SITE FOR RESIDUE CA A 602 source : AC1 5) chain A residue 38 type sequence D description BINDING SITE FOR RESIDUE CA A 602 source : AC1 6) chain A residue 215 type ACT_SITE sequence D description Nucleophile source Swiss-Prot : SWS_FT_FI1 7) chain A residue 277 type ACT_SITE sequence E description Proton donor source Swiss-Prot : SWS_FT_FI2 8) chain A residue 352 type SITE sequence D description Transition state stabilizer source Swiss-Prot : SWS_FT_FI3

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