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2QXF
Asym. Unit
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Asym.Unit (92 KB)
Biol.Unit 1 (86 KB)
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(1)
Title
:
PRODUCT BOUND STRUCTURE OF EXONUCLEASE I AT 1.5 ANGSTROM RESOLUTION
Authors
:
R. D. Busam
Date
:
11 Aug 07 (Deposition) - 22 Jan 08 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.50
Chains
:
Asym. Unit : A
Biol. Unit 1: A (1x)
Keywords
:
Alpha-Beta Domain, Dnaq Superfamily, Sh3-Like Domain, Product Bound Structure, Dna Damage, Dna Repair, Exonuclease, Hydrolase, Nuclease
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
R. D. Busam
Structure Of Escherichia Coli Exonuclease I In Complex With Thymidine 5'-Monophosphate.
Acta Crystallogr. , Sect. D V. 64 206 2008
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Hetero Components
(3, 4)
Info
All Hetero Components
1a: MAGNESIUM ION (MGa)
1b: MAGNESIUM ION (MGb)
2a: SODIUM ION (NAa)
3a: THYMIDINE-5'-PHOSPHATE (TMPa)
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No.
Name
Count
Type
Full Name
1
MG
2
Ligand/Ion
MAGNESIUM ION
2
NA
1
Ligand/Ion
SODIUM ION
3
TMP
1
Ligand/Ion
THYMIDINE-5'-PHOSPHATE
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Sites
(4, 4)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
GLU A:17 , ASP A:186 , NA A:2002 , HOH A:3111 , HOH A:3173 , HOH A:3251 , HOH A:3255
BINDING SITE FOR RESIDUE MG A 2000
2
AC2
SOFTWARE
ASP A:15 , TMP A:3000 , HOH A:3078 , HOH A:3079 , HOH A:3080 , HOH A:3097
BINDING SITE FOR RESIDUE MG A 2001
3
AC3
SOFTWARE
GLU A:17 , ASP A:186 , MG A:2000 , HOH A:3107 , HOH A:3109 , HOH A:3111 , HOH A:3125
BINDING SITE FOR RESIDUE NA A 2002
4
AC4
SOFTWARE
GLU A:17 , THR A:18 , THR A:21 , ALA A:63 , ILE A:66 , THR A:67 , PHE A:107 , ARG A:165 , MG A:2001 , HOH A:3064 , HOH A:3078 , HOH A:3079 , HOH A:3080 , HOH A:3097 , HOH A:3127 , HOH A:3128 , HOH A:3290 , HOH A:3446 , HOH A:3506
BINDING SITE FOR RESIDUE TMP A 3000
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(2, 2)
Info
All PROSITE Patterns/Profiles
1: EXOI_SH3 (A:202-347)
2: EXOI_C (A:361-474)
;
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
EXOI_SH3
PS51784
Exonuclease I (ExoI) SH3-like domain profile.
EX1_ECOLI
202-355
1
A:202-347
2
EXOI_C
PS51785
Exonuclease I (ExoI) C-terminal domain profile.
EX1_ECOLI
358-475
1
A:361-474
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Exons
(0, 0)
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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
(1, 1)
Info
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1a: SCOP_d2qxfa_ (A:)
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)
(
)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Ribonuclease H-like motif
(1424)
Superfamily
:
Ribonuclease H-like
(775)
Family
:
DnaQ-like 3'-5' exonuclease
(253)
Protein domain
:
Exonuclease I
(4)
Escherichia coli K-12 [TaxId: 83333]
(3)
1a
d2qxfa_
A:
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CATH Domains
(1, 1)
Info
all CATH domains
1a: CATH_2qxfA01 (A:7-201)
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Organisms
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)
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)
Class
:
Alpha Beta
(26913)
Architecture
:
2-Layer Sandwich
(8480)
Topology
:
Nucleotidyltransferase; domain 5
(788)
Homologous Superfamily
:
[code=3.30.420.10, no name defined]
(372)
Escherichia coli k12. Organism_taxid: 83333. Strain: k12.
(2)
1a
2qxfA01
A:7-201
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Pfam Domains
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Chain A
Asymmetric Unit 1
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