1H6K	Nuclear Protein	date	Jun 18, 2001
title	Nuclear Cap Binding Complex
authors	C.Mazza, M.Ohno, A.Segref, I.W.Mattaj, S.Cusack
compound		source
Molecule: Cbp80 Chain: A, B, C Fragment: Mif4g Domain Synonym: Ncbp 80 Kda Subunit, Cbp80 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_cell_line: High Five Expression_system_vector_type: Baculovirus Other_details: Expression In Insect Cells
Molecule: 20 Kda Nuclear Cap Binding Protein Chain: X, Y, Z Fragment: Rnp Domain Synonym: Cbp20, Ncbp 20 Kda Subunit Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_plasmid: Prseta
symmetry	Space Group: P 21 21 21	R_factor 0.203 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.527 161.480 303.291 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
related structures	by homologous chain: 1H2V
Gene Ontology	Chain Function Process Component A, C, B Z, X, Y
Primary reference	Crystal structure of the human nuclear cap binding complex., Mazza C, Ohno M, Segref A, Mattaj IW, Cusack S, Mol Cell 2001 Aug;8(2):383-96. PMID:11545740

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (435 Kb) [Save to disk] Biological Unit Coordinates (1h6k.pdb1.gz) 146 Kb Biological Unit Coordinates (1h6k.pdb2.gz) 147 Kb Biological Unit Coordinates (1h6k.pdb3.gz) 146 Kb CSU: Contacts of Structural Units for 1H6K Likely Quarternary Molecular Structure file(s) for 1H6K Structure Factors (1669 Kb) Retrieve 1H6K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H6K from S2C, [Save to disk] Re-refined 1h6k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H6K 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 1H6K

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 1H6K, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h6ka1, region A:27-290 [Jmol] [rasmolscript] [script source]     - Domain d1h6ka2, region A:291-480 [Jmol] [rasmolscript] [script source]     - Domain d1h6ka3, region A:481-790 [Jmol] [rasmolscript] [script source]     - Domain d1h6kb1, region B:26-290 [Jmol] [rasmolscript] [script source]     - Domain d1h6kb2, region B:291-480 [Jmol] [rasmolscript] [script source]     - Domain d1h6kb3, region B:481-790 [Jmol] [rasmolscript] [script source]     - Domain d1h6kc1, region C:26-290 [Jmol] [rasmolscript] [script source]     - Domain d1h6kc2, region C:291-480 [Jmol] [rasmolscript] [script source]     - Domain d1h6kc3, region C:481-790 [Jmol] [rasmolscript] [script source]     - Domain d1h6kx_, region X [Jmol] [rasmolscript] [script source]     - Domain d1h6ky_, region Y [Jmol] [rasmolscript] [script source]     - Domain d1h6kz_, region Z [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: [1h6k_C] [1h6k_Z] [1h6k_X] [1h6k_B] [1h6k_Y] [1h6k] [1h6k_A] SWISS-PROT database: [Q09161] [P52298] Belongs to the small nuclear rna exporter (snrna-e) according to TCDB. Domain organization of [NCBP1_HUMAN] [NCBP2_HUMAN] by SWISSPFAM Domains found in 1H6K: [MIF4G] [RRM ] by SMART

Other resources with information on 1H6K

Community annotation for 1H6K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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