OCA Atlas for 1A9N

1A9N

Rna Binding Protein Rna

date

Apr 08, 1998

title

Crystal Structure Of The Spliceosomal U2b''-U2a' Protein Com To A Fragment Of U2 Small Nuclear Rna

authors

S.R.Price, P.R.Evans, K.Nagai

compound

source

Molecule: Rna (5'- R(Cpcpupgpgpupapupupgpcpapgpupapcpcpupcp Gpu)-3');
Chain: Q, R
Fragment: U2 Hairpin Iv
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: U2a'
Chain: A, C
Fragment: N-Terminal Domain, Residues 1 - 176 Of U2 A', A C Of U2 Snrnp;
Synonym: U2a'
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_cellular_location: Cytoplasm
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3
Other_details: Cdna Clone

Molecule: Spliceosomal U2b''
Chain: B, D
Fragment: Residues 4 - 99 Of U2 B'', A Component Of U2 Snrn
Synonym: Spliceosomal U2b''
Engineered: Yes

symmetry

Space Group: P 21 21 2

R_factor

0.282

R_Free

0.328

crystal
cell

length a	length b	length c	angle alpha	angle beta	angle gamma
98.370	128.240	66.650	90.00	90.00	90.00

method

X-Ray Diffraction

resolution

2.38 Å

related structures

by homologous chain: 1DRZ, 1OIA

Gene
Ontology

Chain	Function	Process	Component
D, B

Primary reference

Crystal structure of the spliceosomal U2B"-U2A' protein complex bound to a fragment of U2 small nuclear RNA., Price SR, Evans PR, Nagai K, Nature 1998 Aug 13;394(6694):645-50. PMID:9716128

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk]

Biological Unit Coordinates (1a9n.pdb1.gz) 51 Kb

Biological Unit Coordinates (1a9n.pdb2.gz) 53 Kb

CSU: Contacts of Structural Units for 1A9N

Likely Quarternary Molecular Structure file(s) for 1A9N

Structure Factors (255 Kb)

Retrieve 1A9N in mmCIF format [Save to disk]

SEQRES to COORDINATES correlation for 1A9N from S2C, [Save to disk]

Re-refined 1a9n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A9N in 3D

Proteopedia, because life has more than 2D.

On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.

On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1A9N

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala

Dipole moment, from Dipole Server at Weizmann Institute

3D motif for 1A9N, from MSDmotif at EBI

Structure summary from SCOR (Structural Classification of RNA)

Classification of representative domains in scop (Structural Classification of Proteins)
- Domain d1a9na_, region A [Jmol] [rasmolscript] [script source]
- Domain d1a9nb_, region B [Jmol] [rasmolscript] [script source]
- Domain d1a9nc_, region C [Jmol] [rasmolscript] [script source]
- Domain d1a9nd_, region D [Jmol] [rasmolscript] [script source]

Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH

Summaries and structural analyses of PDB data files from PDBSum

Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1a9n_C] [1a9n] [1a9n_R] [1a9n_D] [1a9n_Q] [1a9n_B] [1a9n_A]

SWISS-PROT database: [P09661] [P08579]

Domain organization of [RU2A_HUMAN] [RU2B_HUMAN] by SWISSPFAM

Domains found in 1A9N: [LRRcap] [RRM ] by SMART

Other resources with information on 1A9N

Community annotation for 1A9N at PDBWiki (http://pdbwiki.org)

MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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