eF-site ID 3a47-A
PDB Code 3a47
Chain A

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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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