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139555
Biological Macromolecular Structures Enabling Breakthroughs in Research and Education
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Structure Summary
3D View
Annotations
Sequence
Sequence Similarity
Structure Similarity
Experiment
1KX3
X-Ray Structure of the Nucleosome Core Particle, NCP146, at 2.0 A Resolution
Display Files
FASTA Sequence
PDB File
PDB File (Header)
mmCIF File
mmCIF File (Header)
PDBML/XML File
PDBML/XML File (Header)
Download Files
FASTA Sequence
PDB File (Text)
PDB File (gz)
PDBx/mmCIF File
PDBx/mmCIF File (gz)
PDBML/XML File
PDBML/XML File (gz)
Biological Assembly (gz) (A)
Macromolecule Annotations for the Entities in PDB 1KX3
Domain Annotation: SCOP Classification
SCOP Database (version: 1.75) Homepage
Chains
Domain Info
Class
Fold
Superfamily
Family
Domain
Species
A
d1kx3a_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H3
African clawed frog (Xenopus laevis) [TaxId: 8355]
B
d1kx3b_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H4
African clawed frog (Xenopus laevis) [TaxId: 8355]
C
d1kx3c_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H2A
African clawed frog (Xenopus laevis) [TaxId: 8355]
D
d1kx3d_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H2B
African clawed frog (Xenopus laevis) [TaxId: 8355]
E
d1kx3e_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H3
African clawed frog (Xenopus laevis) [TaxId: 8355]
F
d1kx3f_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H4
African clawed frog (Xenopus laevis) [TaxId: 8355]
G
d1kx3g_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H2A
African clawed frog (Xenopus laevis) [TaxId: 8355]
H
d1kx3h_
All alpha proteins
Histone-fold
Histone-fold
Nucleosome core histones
Histone H2B
African clawed frog (Xenopus laevis) [TaxId: 8355]
Domain Annotation: CATH
CATH Database (version 4.0.0) Homepage
Chains
Domain
Class
Architecture
Topology
Homology
A
1kx3A00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
B
1kx3B00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
C
1kx3C00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
D
1kx3D00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
E
1kx3E00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
F
1kx3F00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
G
1kx3G00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
H
1kx3H00
Mainly Alpha
Orthogonal Bundle
Histone, subunit A
Histone, subunit A
Protein Family Annotation
Pfam Database Homepage
Chains
Pfam Accession
Pfam Identifier
Pfam Description
Type
Source
Gene Product Annotation
Gene Ontology Consortium Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
I,J
DNA (5'(ATCAATATCCACCTGCAGATTCTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGCATGTTCAGCTGAATTCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTTGGTAGAATCTGCAGGTGGATATTGAT)3') (1KX3:I,J)
none
none
none
A,E
histone H3 (1KX3:A,E)
DNA Binding
Protein Binding
Protein Heterodimerization Activity
none
Nucleosome
Nucleus
Nucleoplasm
Chromosome
B,F
histone H4 (1KX3:B,F)
DNA Binding
Protein Binding
Protein Heterodimerization Activity
Nucleosome Assembly
DNA Templated Transcription Initiation
Nucleosome
Nucleus
Chromosome
C,G
histone H2A.1 (1KX3:C,G)
DNA Binding
Protein Heterodimerization Activity
none
Nucleosome
Nucleus
Chromosome
D,H
histone H2B.2 (1KX3:D,H)
DNA Binding
Protein Binding
Protein Heterodimerization Activity
none
Nucleosome
Nucleus
Chromosome
Protein Modification Annotation
Type
PDB Residue Nr.
Description