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2CEL
Biol. Unit 1
Info
Asym.Unit (138 KB)
Biol.Unit 1 (69 KB)
Biol.Unit 2 (69 KB)
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(1)
Title
:
ACTIVE-SITE MUTANT E212Q DETERMINED AT PH 6.0 WITH NO LIGAND BOUND IN THE ACTIVE SITE
Authors
:
C. Divne, J. Stahlberg, T. A. Jones
Date
:
24 Aug 96 (Deposition) - 12 Mar 97 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.00
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A (1x)
Biol. Unit 2: B (1x)
Keywords
:
Cellulose Degradation, Hydrolase, Glycosidase, Glycoprotein
(Keyword Search:
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Reference
:
J. Stahlberg, C. Divne, A. Koivula, K. Piens, M. Claeyssens, T. T. Teeri, T. A. Jones
Activity Studies And Crystal Structures Of Catalytically Deficient Mutants Of Cellobiohydrolase I From Trichoderma Reesei.
J. Mol. Biol. V. 264 337 1996
(for further references see the
PDB file header
)
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Hetero Components
(2, 2)
Info
All Hetero Components
1a: CALCIUM ION (CAa)
1b: CALCIUM ION (CAb)
2a: N-ACETYL-D-GLUCOSAMINE (NAGa)
2b: N-ACETYL-D-GLUCOSAMINE (NAGb)
3a: PYROGLUTAMIC ACID (PCAa)
3b: PYROGLUTAMIC ACID (PCAb)
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No.
Name
Count
Type
Full Name
1
CA
-1
Ligand/Ion
CALCIUM ION
2
NAG
1
Ligand/Ion
N-ACETYL-D-GLUCOSAMINE
3
PCA
1
Mod. Amino Acid
PYROGLUTAMIC ACID
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Sites
(6, 6)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: CAA (UNKNOWN)
6: CTA (UNKNOWN)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
ASN A:270 , PRO A:314 , HOH A:579 , HOH A:580 , HOH A:658 , SER B:21
BINDING SITE FOR RESIDUE NAG A 435
2
AC2
SOFTWARE
SER A:21 , GLY A:22 , ASN B:270 , PRO B:314 , HOH B:579 , HOH B:580 , HOH B:658
BINDING SITE FOR RESIDUE NAG B 435
3
AC3
SOFTWARE
GLU A:295 , GLU A:325 , HOH A:1001 , GLU B:295 , GLU B:325 , HOH B:1001
BINDING SITE FOR RESIDUE CA A 1000
4
AC4
SOFTWARE
GLU A:295 , GLU A:325 , HOH A:1001 , GLU B:295 , GLU B:325 , HOH B:1001
BINDING SITE FOR RESIDUE CA B 1000
5
CAA
UNKNOWN
CA A:1000 , HOH A:1001 , GLU A:295 , GLU A:325
CALCIUM-BINDING SITE ON NON-CRYSTALLOGRAPHIC DYAD. NOTE THAT THE CALCIUM ION IS BOUND BY GLU 295 AND GLU 325 FROM TWO NCS-RELATED MOLECULES, AND ONE WATER MOLECULE POSITIONED EXACTLY ON THE NCS-AXIS.
6
CTA
UNKNOWN
GLN A:212 , ASP A:214 , GLU A:217 , HIS A:228
CATALYTIC SITE INCLUDING THE E212Q MUTATION.
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SAPs(SNPs)/Variants
(0, 0)
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(mutated residues are only available for the asymmetric unit)
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Exons
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SCOP Domains
(1, 2)
Info
All SCOP Domains
1a: SCOP_d2cela_ (A:)
1b: SCOP_d2celb_ (B:)
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Class
:
All beta proteins
(24004)
Fold
:
Concanavalin A-like lectins/glucanases
(797)
Superfamily
:
Concanavalin A-like lectins/glucanases
(797)
Family
:
Glycosyl hydrolase family 7 catalytic core
(44)
Protein domain
:
Cellobiohydrolase I (cellulase, Endoglucanase I, CBH1)
(27)
Trichoderma reesei, Cel7A [TaxId: 51453]
(13)
1a
d2cela_
A:
1b
d2celb_
B:
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CATH Domains
(1, 2)
Info
all CATH domains
1a: CATH_2celA00 (A:2-434)
1b: CATH_2celB00 (B:2-434)
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Organisms
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Class
:
Mainly Beta
(13760)
Architecture
:
Distorted Sandwich
(506)
Topology
:
1,4-Beta-D-Glucan Cellobiohydrolase I; Chain A
(34)
Homologous Superfamily
:
1,4-Beta-D-Glucan Cellobiohydrolase I, subunit A
(34)
Hypocrea jecorina. Organism_taxid: 51453. Strain: qm 9414. Variant: vtt-d-93201.
(6)
1a
2celA00
A:2-434
1b
2celB00
B:2-434
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Pfam Domains
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Show PDB file:
Asym.Unit (138 KB)
Header - Asym.Unit
Biol.Unit 1 (69 KB)
Header - Biol.Unit 1
Biol.Unit 2 (69 KB)
Header - Biol.Unit 2
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