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1KWK
Asym. Unit
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Asym.Unit (116 KB)
Biol.Unit 1 (328 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF THERMUS THERMOPHILUS A4 BETA-GALACTOSIDASE IN COMPLEX WITH GALACTOSE
Authors
:
M. Hidaka, S. Fushinobu, N. Ohtsu, H. Motoshima, H. Matsuzawa, H. Shoun
Date
:
29 Jan 02 (Deposition) - 02 Oct 02 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.20
Chains
:
Asym. Unit : A
Biol. Unit 1: A (3x)
Keywords
:
Tim Barrel, Glycoside Hydrolase Family 42, Trimer, Galactose Complex, Hydrolase
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
M. Hidaka, S. Fushinobu, N. Ohtsu, H. Motoshima, H. Matsuzawa, H. Shoun, T. Wakagi
Trimeric Crystal Structure Of The Glycoside Hydrolase Famil 42 Beta-Galactosidase From Thermus Thermophilus A4 And The Structure Of Its Complex With Galactose.
J. Mol. Biol. V. 322 79 2002
(for further references see the
PDB file header
)
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Hetero Components
(5, 7)
Info
All Hetero Components
1a: ACETATE ION (ACTa)
1b: ACETATE ION (ACTb)
2a: CHLORIDE ION (CLa)
3a: BETA-D-GALACTOSE (GALa)
4a: (4S)-2-METHYL-2,4-PENTANEDIOL (MPDa)
4b: (4S)-2-METHYL-2,4-PENTANEDIOL (MPDb)
5a: ZINC ION (ZNa)
View:
Select:
Label:
No.
Name
Count
Type
Full Name
1
ACT
2
Ligand/Ion
ACETATE ION
2
CL
1
Ligand/Ion
CHLORIDE ION
3
GAL
1
Ligand/Ion
BETA-D-GALACTOSE
4
MPD
2
Ligand/Ion
(4S)-2-METHYL-2,4-PENTANEDIOL
5
ZN
1
Ligand/Ion
ZINC ION
[
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Sites
(7, 7)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
7: AC7 (SOFTWARE)
View:
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Label:
No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
PHE A:36 , ARG A:102 , ASN A:140 , GLU A:141 , ASP A:264 , TYR A:266 , GLU A:312 , TRP A:320 , PHE A:350 , GLU A:360 , HIS A:363 , HOH A:808 , HOH A:869
BINDING SITE FOR RESIDUE GAL A 701
2
AC2
SOFTWARE
TYR A:7 , TRP A:11 , ARG A:351 , ARG A:353
BINDING SITE FOR RESIDUE CL A 801
3
AC3
SOFTWARE
HOH A:818 , HOH A:891
BINDING SITE FOR RESIDUE ACT A 804
4
AC4
SOFTWARE
ARG A:560
BINDING SITE FOR RESIDUE ACT A 805
5
AC5
SOFTWARE
CYS A:106 , CYS A:150 , CYS A:152
BINDING SITE FOR RESIDUE ZN A 806
6
AC6
SOFTWARE
LEU A:424 , TYR A:428
BINDING SITE FOR RESIDUE MPD A 802
7
AC7
SOFTWARE
ALA A:433 , ARG A:436 , PRO A:573 , HOH A:865
BINDING SITE FOR RESIDUE MPD A 803
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(0, 0)
Info
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Sorry, no Info available
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Exons
(0, 0)
Info
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Note:
Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(3, 3)
Info
All SCOP Domains
1a: SCOP_d1kwka1 (A:591-644)
2a: SCOP_d1kwka3 (A:394-590)
3a: SCOP_d1kwka2 (A:1-393)
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)
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Families
(
)
(
)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
All beta proteins
(24004)
Fold
:
Glycosyl hydrolase domain
(397)
Superfamily
:
Glycosyl hydrolase domain
(397)
Family
:
alpha-Amylases, C-terminal beta-sheet domain
(272)
Protein domain
:
A4 beta-galactosidase
(2)
Thermus thermophilus [TaxId: 274]
(2)
1a
d1kwka1
A:591-644
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Flavodoxin-like
(1057)
Superfamily
:
Class I glutamine amidotransferase-like
(173)
Family
:
A4 beta-galactosidase middle domain
(2)
Protein domain
:
A4 beta-galactosidase middle domain
(2)
Thermus thermophilus [TaxId: 274]
(2)
2a
d1kwka3
A:394-590
Fold
:
TIM beta/alpha-barrel
(3956)
Superfamily
:
(Trans)glycosidases
(1191)
Family
:
Amylase, catalytic domain
(385)
Protein domain
:
A4 beta-galactosidase
(2)
Thermus thermophilus [TaxId: 274]
(2)
3a
d1kwka2
A:1-393
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CATH Domains
(3, 3)
Info
all CATH domains
1a: CATH_1kwkA02 (A:395-594)
2a: CATH_1kwkA01 (A:1-394)
3a: CATH_1kwkA03 (A:595-644)
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)
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)
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)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Rossmann fold
(7312)
Homologous Superfamily
:
[code=3.40.50.880, no name defined]
(97)
Thermus thermophilus. Organism_taxid: 274. Strain: a4.
(2)
1a
1kwkA02
A:395-594
Architecture
:
Alpha-Beta Barrel
(2994)
Topology
:
TIM Barrel
(2806)
Homologous Superfamily
:
Glycosidases
(843)
Thermus thermophilus. Organism_taxid: 274. Strain: a4.
(2)
2a
1kwkA01
A:1-394
Class
:
Mainly Beta
(13760)
Architecture
:
Sandwich
(5577)
Topology
:
Immunoglobulin-like
(3897)
Homologous Superfamily
:
Golgi alpha-mannosidase II
(346)
Thermus thermophilus. Organism_taxid: 274. Strain: a4.
(2)
3a
1kwkA03
A:595-644
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Pfam Domains
(3, 3)
Info
all PFAM domains
1a: PFAM_Glyco_hydro_42C_1kwkA01 (A:597-644)
2a: PFAM_Glyco_hydro_42M_1kwkA02 (A:398-590)
3a: PFAM_Glyco_hydro_42_1kwkA03 (A:5-390)
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Clans
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)
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Clan
:
GHD
(106)
Family
:
Glyco_hydro_42C
(2)
Thermus thermophilus
(2)
1a
Glyco_hydro_42C-1kwkA01
A:597-644
Clan
:
Glutaminase_I
(73)
Family
:
Glyco_hydro_42M
(2)
Thermus thermophilus
(2)
2a
Glyco_hydro_42M-1kwkA02
A:398-590
Clan
:
Glyco_hydro_tim
(488)
Family
:
Glyco_hydro_42
(2)
Thermus thermophilus
(2)
3a
Glyco_hydro_42-1kwkA03
A:5-390
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Asymmetric Unit 1
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Asym.Unit (116 KB)
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