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1BXI
Asym. Unit
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Asym.Unit (42 KB)
Biol.Unit 1 (38 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9
Authors
:
U. C. Kuhlmann, C. Kleanthous, R. James, G. R. Moore, A. M. Hemmings
Date
:
04 Oct 98 (Deposition) - 04 Oct 99 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.05
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A,B (1x)
Keywords
:
Colicins, Endonuclease, Protein-Protein Interaction, Immune System
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
U. C. Kuhlmann
Crystal Structure Of The E. Coli Colicin E9 Dnase Domain With Its Cognate Immunity Protein Im9
Thesis 1998
(for further references see the
PDB file header
)
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Hetero Components
(3, 4)
Info
All Hetero Components
1a: SELENOMETHIONINE (MSEa)
1b: SELENOMETHIONINE (MSEb)
2a: NICKEL (II) ION (NIa)
3a: PHOSPHATE ION (PO4a)
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No.
Name
Count
Type
Full Name
1
MSE
2
Mod. Amino Acid
SELENOMETHIONINE
2
NI
1
Ligand/Ion
NICKEL (II) ION
3
PO4
1
Ligand/Ion
PHOSPHATE ION
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Sites
(3, 3)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: NIB (AUTHOR)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
HIS B:102 , HIS B:127 , HIS B:131 , PO4 B:403
BINDING SITE FOR RESIDUE NI B 301
2
AC2
SOFTWARE
SER A:28 , ARG B:5 , LEU B:101 , HIS B:102 , HIS B:103 , HIS B:127 , NI B:301 , HOH B:414
BINDING SITE FOR RESIDUE PO4 B 403
3
NIB
AUTHOR
HIS B:102 , HIS B:127
NICKEL BINDING SITE, PROBABLY TETRAHEDRAL COORDINATION, BY THREE HISTIDINE AND THE PHOSPHATE GROUP
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SAPs(SNPs)/Variants
(0, 0)
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Exons
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Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(2, 2)
Info
All SCOP Domains
1a: SCOP_d1bxia_ (A:)
2a: SCOP_d1bxib_ (B:)
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Protein Domains
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Organisms
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(
)
Class
:
All alpha proteins
(14657)
Fold
:
Acyl carrier protein-like
(148)
Superfamily
:
Colicin E immunity proteins
(35)
Family
:
Colicin E immunity proteins
(35)
Protein domain
:
ImmE9 protein (Im9)
(18)
Escherichia coli [TaxId: 562]
(18)
1a
d1bxia_
A:
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
His-Me finger endonucleases
(64)
Superfamily
:
His-Me finger endonucleases
(64)
Family
:
HNH-motif
(35)
Protein domain
:
DNase domain of colicin E9
(15)
Escherichia coli [TaxId: 562]
(15)
2a
d1bxib_
B:
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CATH Domains
(2, 2)
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all CATH domains
1a: CATH_1bxiB00 (B:2-131)
2a: CATH_1bxiA00 (A:3-85)
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)
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)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
Alpha-Beta Complex
(3881)
Topology
:
Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain
(34)
Homologous Superfamily
:
Colicin e7 immunity protein. Chain B
(34)
Escherichia coli. Organism_taxid: 562.
(7)
1a
1bxiB00
B:2-131
Class
:
Mainly Alpha
(13335)
Architecture
:
Orthogonal Bundle
(10391)
Topology
:
Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
(155)
Homologous Superfamily
:
[code=1.10.1200.20, no name defined]
(35)
Escherichia coli. Organism_taxid: 562.
(8)
2a
1bxiA00
A:3-85
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Pfam Domains
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