1FHT	Ribonucleoprotein	date	Feb 21, 1996
title	Rna-Binding Domain Of The U1a Spliceosomal Protein U1a117, Nmr, 43 Structures
authors	F.H.T.Allain, C.C.Gubser, P.W.A.Howe, K.Nagai, D.Neuhaus, G.Varani
compound		source
Molecule: U1 Small Nuclear Ribonucleoprotein A Chain: A Fragment: N-Terminal Domain Synonym: U1a117 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Human U1a 1-117 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Prk172 Expression_system_gene: Human U1a 1-117
method	Solution NMR
related structures	by homologous chain: 1DZ5, 1VBY
Gene Ontology	Chain Function Process Component A nucleotide binding nucleic acid binding RNA binding protein binding snRNA binding mRNA splicing, via spliceoso... mRNA processing RNA splicing gene expression nucleus nucleoplasm spliceosomal complex ribonucleoprotein complex
Primary reference	Solution structure of the N-terminal RNP domain of U1A protein: the role of C-terminal residues in structure stability and RNA binding., Avis JM, Allain FH, Howe PW, Varani G, Nagai K, Neuhaus D, J Mol Biol 1996 Mar 29;257(2):398-411. PMID:8609632

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (682 Kb) [Save to disk] CSU: Contacts of Structural Units for 1FHT Original NMR restraints for 1FHT from PDB Retrieve 1FHT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FHT from S2C, [Save to disk]

View 1FHT 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1FHT

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1FHT, from MSDmotif at EBI Genome occurence of 1FHT's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fht__, region [Jmol] [rasmolscript] [script source] Fold representative 1fht from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1fht_A] SWISS-PROT database: [P09012] Domain organization of [SNRPA_HUMAN] by SWISSPFAM Domain found in 1FHT: [RRM ] by SMART Alignments of the sequence of 1FHT with the sequences similar proteins can be viewed for 1FHT's classification [SNRPA_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [SNRPA_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1FHT

Community annotation for 1FHT at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1FHT from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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