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2CXG
Asym. Unit
Info
Asym.Unit (119 KB)
Biol.Unit 1 (113 KB)
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(1)
Title
:
CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED TO THE INHIBITOR ACARBOSE
Authors
:
B. V. Strokopytov, J. C. M. Uitdehaag, R. Ruiterkamp, B. W. Dijkstra
Date
:
08 May 98 (Deposition) - 14 Oct 98 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.50
Chains
:
Asym. Unit : A
Biol. Unit 1: A (1x)
Keywords
:
Glycosyltransferase
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
B. Strokopytov, D. Penninga, H. J. Rozeboom, K. H. Kalk, L. Dijkhuizen, B. W. Dijkstra
X-Ray Structure Of Cyclodextrin Glycosyltransferase Complexed With Acarbose. Implications For The Catalytic Mechanism Of Glycosidases.
Biochemistry V. 34 2234 1995
(for further references see the
PDB file header
)
[
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Hetero Components
(4, 14)
Info
All Hetero Components
1a: 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4... (ACIa)
2a: CALCIUM ION (CAa)
2b: CALCIUM ION (CAb)
3a: 6-DEOXY-ALPHA-D-GLUCOSE (G6Da)
4a: ALPHA-D-GLUCOSE (GLCa)
4b: ALPHA-D-GLUCOSE (GLCb)
4c: ALPHA-D-GLUCOSE (GLCc)
4d: ALPHA-D-GLUCOSE (GLCd)
4e: ALPHA-D-GLUCOSE (GLCe)
4f: ALPHA-D-GLUCOSE (GLCf)
4g: ALPHA-D-GLUCOSE (GLCg)
4h: ALPHA-D-GLUCOSE (GLCh)
4i: ALPHA-D-GLUCOSE (GLCi)
4j: ALPHA-D-GLUCOSE (GLCj)
View:
Select:
Label:
No.
Name
Count
Type
Full Name
1
ACI
1
Ligand/Ion
6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL
2
CA
2
Ligand/Ion
CALCIUM ION
3
G6D
1
Ligand/Ion
6-DEOXY-ALPHA-D-GLUCOSE
4
GLC
10
Ligand/Ion
ALPHA-D-GLUCOSE
[
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]
Sites
(20, 20)
Info
All Sites
01: AC1 (SOFTWARE)
02: AC2 (SOFTWARE)
03: AC3 (SOFTWARE)
04: AC4 (SOFTWARE)
05: AC5 (SOFTWARE)
06: AC6 (SOFTWARE)
07: AC7 (SOFTWARE)
08: AC8 (SOFTWARE)
09: AC9 (SOFTWARE)
10: BC1 (SOFTWARE)
11: BC2 (SOFTWARE)
12: BC3 (SOFTWARE)
13: BC4 (SOFTWARE)
14: BC5 (SOFTWARE)
15: CA1 (UNKNOWN)
16: CA2 (UNKNOWN)
17: CAT (UNKNOWN)
18: MB1 (UNKNOWN)
19: MB2 (UNKNOWN)
20: MB3 (UNKNOWN)
View:
Select:
Label:
No.
Name
Evidence
Residues
Description
01
AC1
SOFTWARE
TRP A:413 , ILE A:414 , SER A:445 , ALA A:539 , ASP A:540 , GLC A:691
BINDING SITE FOR RESIDUE GLC A 690
02
AC2
SOFTWARE
GLU A:411 , ARG A:412 , GLY A:446 , GLC A:690
BINDING SITE FOR RESIDUE GLC A 691
03
AC3
SOFTWARE
TYR A:195 , LYS A:232 , PHE A:259 , G6D A:694
BINDING SITE FOR RESIDUE GLC A 693
04
AC4
SOFTWARE
TYR A:195 , ALA A:230 , HIS A:233 , GLU A:257 , PHE A:259 , ASP A:328 , GLC A:693 , ACI A:695 , HOH A:709
BINDING SITE FOR RESIDUE G6D A 694
05
AC5
SOFTWARE
TYR A:100 , HIS A:140 , ARG A:227 , ASP A:229 , GLU A:257 , HIS A:327 , ASP A:328 , G6D A:694 , GLC A:696
BINDING SITE FOR RESIDUE ACI A 695
06
AC6
SOFTWARE
TYR A:100 , TRP A:101 , LEU A:197 , ASP A:371 , ARG A:375 , ACI A:695 , HOH A:767
BINDING SITE FOR RESIDUE GLC A 696
07
AC7
SOFTWARE
THR A:598 , ALA A:599 , LEU A:600 , TYR A:633 , GLC A:699
BINDING SITE FOR RESIDUE GLC A 698
08
AC8
SOFTWARE
ALA A:599 , LEU A:600 , GLY A:601 , GLN A:602 , ASN A:603 , ASN A:627 , TRP A:636 , GLC A:698
BINDING SITE FOR RESIDUE GLC A 699
09
AC9
SOFTWARE
ARG A:339 , SER A:384 , THR A:385 , THR A:386 , GLC A:702
BINDING SITE FOR RESIDUE GLC A 701
10
BC1
SOFTWARE
LYS A:651 , TRP A:662 , GLC A:701 , GLC A:703
BINDING SITE FOR RESIDUE GLC A 702
11
BC2
SOFTWARE
TRP A:616 , ASN A:667 , GLC A:702 , GLC A:704
BINDING SITE FOR RESIDUE GLC A 703
12
BC3
SOFTWARE
GLC A:703
BINDING SITE FOR RESIDUE GLC A 704
13
BC4
SOFTWARE
ASP A:27 , ASN A:29 , ASN A:32 , ASN A:33 , GLY A:51 , ASP A:53 , HOH A:728
BINDING SITE FOR RESIDUE CA A 688
14
BC5
SOFTWARE
ASN A:139 , ILE A:190 , ASP A:199 , HIS A:233 , HOH A:706 , HOH A:790
BINDING SITE FOR RESIDUE CA A 689
15
CA1
UNKNOWN
ASP A:27 , ASN A:29 , ASN A:32 , ASN A:33 , GLY A:51 , ASP A:53
FIRST CALCIUM BINDING SITE.
16
CA2
UNKNOWN
ASN A:139 , ILE A:190 , ASP A:199 , HIS A:233
SECOND CALCIUM BINDING SITE.
17
CAT
UNKNOWN
ASP A:229 , GLU A:257 , ASP A:328
CATALYTIC RESIDUES.
18
MB1
UNKNOWN
TRP A:616 , LYS A:651 , TRP A:662 , GLU A:663 , ASN A:667
FIRST MALTOSE BINDING SITE. NOTE: THIS SITE ALSO CONTAINS RESIDUE SER 382 FROM A SYMMETRY-RELATED MOLECULE.
19
MB2
UNKNOWN
THR A:598 , ALA A:599 , GLY A:601 , ASN A:603 , ASN A:627 , GLN A:628 , TYR A:633
SECOND MALTOSE BINDING SITE.
20
MB3
UNKNOWN
TYR A:301 , GLU A:411 , ARG A:412 , TRP A:413 , ILE A:414 , GLY A:446 , VAL A:448
THIRD MALTOSE BINDING SITE. NOTE: THIS SITE ALSO CONTAINS RESIDUES SER 537, ALA 539, AND ASP 540 FROM SYMMETRY-RELATED MOLECULES.
[
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
All SNPs/Variants
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Sorry, no Info available
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PROSITE Patterns/Profiles
(1, 1)
Info
All PROSITE Patterns/Profiles
1: CBM20 (A:581-686)
;
View:
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
CBM20
PS51166
CBM20 (carbohydrate binding type-20) domain profile.
CDGT2_BACCI
608-713
1
A:581-686
[
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Exons
(0, 0)
Info
All Exons
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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
(4, 4)
Info
All SCOP Domains
1a: SCOP_d2cxga3 (A:407-495)
2a: SCOP_d2cxga1 (A:496-581)
3a: SCOP_d2cxga2 (A:582-686)
4a: SCOP_d2cxga4 (A:1-406)
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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
:
Cyclodextrin glycosyltransferase
(51)
Bacillus circulans, different strains [TaxId: 1397]
(36)
1a
d2cxga3
A:407-495
Fold
:
Immunoglobulin-like beta-sandwich
(7299)
Superfamily
:
E set domains
(509)
Family
:
E-set domains of sugar-utilizing enzymes
(147)
Protein domain
:
Cyclomaltodextrin glycanotransferase, domain D
(49)
Bacillus circulans, different strains [TaxId: 1397]
(36)
2a
d2cxga1
A:496-581
Fold
:
Prealbumin-like
(433)
Superfamily
:
Starch-binding domain-like
(84)
Family
:
Starch-binding domain
(67)
Protein domain
:
Cyclodextrin glycosyltransferase, C-terminal domain
(51)
Bacillus circulans, different strains [TaxId: 1397]
(36)
3a
d2cxga2
A:582-686
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
TIM beta/alpha-barrel
(3956)
Superfamily
:
(Trans)glycosidases
(1191)
Family
:
Amylase, catalytic domain
(385)
Protein domain
:
Cyclodextrin glycosyltransferase
(51)
Bacillus circulans, different strains [TaxId: 1397]
(36)
4a
d2cxga4
A:1-406
[
close SCOP info
]
CATH Domains
(3, 4)
Info
all CATH domains
1a: CATH_2cxgA01 (A:1-400)
2a: CATH_2cxgA02 (A:401-495)
3a: CATH_2cxgA04 (A:583-685)
3b: CATH_2cxgA03 (A:496-582)
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)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
Alpha-Beta Barrel
(2994)
Topology
:
TIM Barrel
(2806)
Homologous Superfamily
:
Glycosidases
(843)
Bacillus circulans. Organism_taxid: 1397. Strain: 251
(4)
1a
2cxgA01
A:1-400
Class
:
Mainly Beta
(13760)
Architecture
:
Sandwich
(5577)
Topology
:
Immunoglobulin-like
(3897)
Homologous Superfamily
:
Golgi alpha-mannosidase II
(346)
Bacillus circulans. Organism_taxid: 1397. Strain: 251
(4)
2a
2cxgA02
A:401-495
Homologous Superfamily
:
Immunoglobulins
(2282)
Bacillus circulans. Organism_taxid: 1397. Strain: 251
(4)
3a
2cxgA04
A:583-685
3b
2cxgA03
A:496-582
[
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Pfam Domains
(0, 0)
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all PFAM domains
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Chain A
Asymmetric Unit 1
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