1H2T	Nuclear Protein	date	Aug 16, 2002
title	Structure Of The Human Nuclear Cap-Binding-Complex (Cbc) In With A Cap Analogue M7gpppg
authors	C.Mazza, A.Segref, I.W.Mattaj, S.Cusack
compound		source
Molecule: 80 Kda Nuclear Cap Binding Protein Chain: C Fragment: Mif4g Domain, Residues 20-653,701-790 Synonym: Ncbp 80 Kda Subunit, Cbp80 Engineered: Yes Mutation: Yes Other_details: Deletion Of The First 19 Residues In N-Termi Deletion Of Residues 653-701 Replaced By A Glycine, Enginee Mutation Ala 479 Ser;		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
Molecule: 20 Kda Nuclear Cap Binding Protein Chain: Z Synonym: Cbp20, Ncbp 20 Kda Subunit, Ncbp Interacting Prote Nip1; 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 31 2 1	R_factor 0.232 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 112.780 112.780 158.310 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	7MG, GDP	enzyme
related structures	by homologous chain: 1H2U, 1N52
Gene Ontology	Chain Function Process Component C Z
Primary reference	Large-scale induced fit recognition of an m(7)GpppG cap analogue by the human nuclear cap-binding complex., Mazza C, Segref A, Mattaj IW, Cusack S, EMBO J 2002 Oct 15;21(20):5548-57. PMID:12374755

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (1h2t.pdb1.gz) 146 Kb LPC: Ligand-Protein Contacts for 1H2T CSU: Contacts of Structural Units for 1H2T Likely Quarternary Molecular Structure file(s) for 1H2T Structure Factors (571 Kb) Retrieve 1H2T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H2T from S2C, [Save to disk] Re-refined 1h2t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H2T 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 1H2T

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 1H2T, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h2tc1, region C:29-290 [Jmol] [rasmolscript] [script source]     - Domain d1h2tc2, region C:291-480 [Jmol] [rasmolscript] [script source]     - Domain d1h2tc3, region C:481-790 [Jmol] [rasmolscript] [script source]     - Domain d1h2tz_, 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: [1h2t] [1h2t_Z] [1h2t_C] 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 1H2T: [MIF4G] [RRM ] by SMART

Other resources with information on 1H2T

Community annotation for 1H2T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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