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1UKO

Crystal structure of soybean beta-amylase mutant substituted at surface region

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0005983biological_processstarch catabolic process
A0016161molecular_functionbeta-amylase activity
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0000272biological_processpolysaccharide catabolic process
B0005983biological_processstarch catabolic process
B0016161molecular_functionbeta-amylase activity
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
C0000272biological_processpolysaccharide catabolic process
C0005983biological_processstarch catabolic process
C0016161molecular_functionbeta-amylase activity
C0016787molecular_functionhydrolase activity
C0016798molecular_functionhydrolase activity, acting on glycosyl bonds
D0000272biological_processpolysaccharide catabolic process
D0005983biological_processstarch catabolic process
D0016161molecular_functionbeta-amylase activity
D0016787molecular_functionhydrolase activity
D0016798molecular_functionhydrolase activity, acting on glycosyl bonds
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 3000
ChainResidue
ATYR67
ASER160
AASN164
AHOH1773

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 3001
ChainResidue
AARG347
ASER349
AHOH701
AHOH1822

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 3002
ChainResidue
AARG376
AHOH1871
AHIS336

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 3003
ChainResidue
ALYS291
AARG376
APHE414
AASN455
AHIS456
AALA457

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 3004
ChainResidue
BTYR67
BSER160
BASN164
BHOH1959

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 3005
ChainResidue
BARG347
BSER349
BHOH1722
BHOH1726

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 3006
ChainResidue
BHIS336
BARG376
BHOH1173
BHOH1180

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 3007
ChainResidue
BLYS291
BARG376
BPHE414
BASN455
BHIS456
BALA457
BHOH1325
BHOH1704

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 C 3008
ChainResidue
CTYR67
CSER160
CASN164
CHOH1205
CHOH1530

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 3009
ChainResidue
CARG347
CSER349
CHOH1266
CHOH1588

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 3010
ChainResidue
CHIS336
CARG376
CHOH1263
CHOH1584

site_idBC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 C 3011
ChainResidue
CLYS291
CARG376
CPHE414
CASN455
CALA457

site_idBC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 3012
ChainResidue
DTYR67
DSER160
DASN164
DHOH1318

site_idBC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 3013
ChainResidue
DARG347
DSER349
DHOH971

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 3014
ChainResidue
DHIS336
DARG376
DHOH969
DHOH1346

site_idBC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 3015
ChainResidue
BHOH1154
DLYS291
DARG376
DPHE414
DASN455
DALA457

site_idBC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 A 3016
ChainResidue
AARG70

site_idBC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 B 3017
ChainResidue
BARG70

site_idCC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 C 3018
ChainResidue
CARG70

site_idCC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 D 3019
ChainResidue
DARG70

site_idCC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 3020
ChainResidue
AASN98
APRO193
AGLN194
AHOH675
AHOH1794
AHOH1855

site_idCC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 3021
ChainResidue
BASN98
BTYR192
BPRO193
BGLN194
BHOH1148
BHOH1638
BHOH1639
BHOH1656

site_idCC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 C 3022
ChainResidue
CASN98
CPRO193
CGLN194
CHOH1405
CHOH1406
CHOH1407

site_idCC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 3023
ChainResidue
DHOH1298
DHOH1307
DHOH1319
DASN98
DPRO193
DGLN194

Functional Information from PROSITE/UniProt
site_idPS00506
Number of Residues9
DetailsBETA_AMYLASE_1 Beta-amylase active site 1. HqCGGNVGD
ChainResidueDetails
AHIS93-ASP101

site_idPS00679
Number of Residues11
DetailsBETA_AMYLASE_2 Beta-amylase active site 2. GpAGELRYPSY
ChainResidueDetails
AGLY182-TYR192

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10050","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15178253","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"2474529","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8011643","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8174545","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"15178253","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8011643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues32
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15178253","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1bya
ChainResidueDetails
AGLU186
AASP101

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1bya
ChainResidueDetails
BGLU186
BASP101

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1bya
ChainResidueDetails
CGLU186
CASP101

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1bya
ChainResidueDetails
DGLU186
DASP101

site_idMCSA1
Number of Residues5
DetailsM-CSA 436
ChainResidueDetails
AASP101electrostatic stabiliser
AGLU186proton shuttle (general acid/base)
ATHR342electrostatic stabiliser
AGLU380proton shuttle (general acid/base)
ALEU383steric role

site_idMCSA2
Number of Residues5
DetailsM-CSA 436
ChainResidueDetails
BASP101electrostatic stabiliser
BGLU186proton shuttle (general acid/base)
BTHR342electrostatic stabiliser
BGLU380proton shuttle (general acid/base)
BLEU383steric role

site_idMCSA3
Number of Residues5
DetailsM-CSA 436
ChainResidueDetails
CASP101electrostatic stabiliser
CGLU186proton shuttle (general acid/base)
CTHR342electrostatic stabiliser
CGLU380proton shuttle (general acid/base)
CLEU383steric role

site_idMCSA4
Number of Residues5
DetailsM-CSA 436
ChainResidueDetails
DASP101electrostatic stabiliser
DGLU186proton shuttle (general acid/base)
DTHR342electrostatic stabiliser
DGLU380proton shuttle (general acid/base)
DLEU383steric role

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PDB entries from 2025-10-08

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