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- PDB-1m5o: Transition State Stabilization by a Catalytic RNA -

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Basic information

Entry
Database: PDB / ID: 1m5o
TitleTransition State Stabilization by a Catalytic RNA
Components
  • RNA HAIRPIN RIBOZYME
  • RNA SUBSTRATE
  • U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A
KeywordsTRANSLATION/RNA / HAIRPIN RIBOZYME / CATALYTIC RNA / U1A RNA BINDING PROTEIN / Vandate / transition state mimic / TRANSLATION-RNA COMPLEX
Function / homology
Function and homology information


U1 snRNP binding / U1 snRNP / U1 snRNA binding / spliceosomal snRNP assembly / spliceosomal complex / mRNA Splicing - Major Pathway / mRNA splicing, via spliceosome / mRNA Polyadenylation / DNA binding / RNA binding ...U1 snRNP binding / U1 snRNP / U1 snRNA binding / spliceosomal snRNP assembly / spliceosomal complex / mRNA Splicing - Major Pathway / mRNA splicing, via spliceosome / mRNA Polyadenylation / DNA binding / RNA binding / nucleoplasm / identical protein binding / nucleus
Similarity search - Function
U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / RRM (RNA recognition motif) domain / RNA recognition motif / RNA recognition motif / Eukaryotic RNA Recognition Motif (RRM) profile. / RNA recognition motif domain / RNA-binding domain superfamily / Alpha-Beta Plaits / Nucleotide-binding alpha-beta plait domain superfamily ...U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / RRM (RNA recognition motif) domain / RNA recognition motif / RNA recognition motif / Eukaryotic RNA Recognition Motif (RRM) profile. / RNA recognition motif domain / RNA-binding domain superfamily / Alpha-Beta Plaits / Nucleotide-binding alpha-beta plait domain superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
bis(oxidanyl)vanadium / RNA / RNA (> 10) / U1 small nuclear ribonucleoprotein A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsRupert, P.B. / Massey, A.P. / Sigurdsson, S.T. / Ferre-D'Amare, A.R.
Citation
Journal: Science / Year: 2002
Title: Transition state stabilization by a catalytic RNA
Authors: Rupert, P.B. / Massey, A.P. / Sigurdsson, S.T. / Ferre-D'Amare, A.R.
#1: Journal: Nature / Year: 2001
Title: Crystal structure of a hairpin ribozyme-inhibitor complex with implications for catalysis
Authors: Rupert, P.B. / Ferre-D'Amare, A.R.
History
DepositionJul 9, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 12, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 27, 2021Group: Advisory / Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / struct_conn / struct_conn_type / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr2_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_conn_type.id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Feb 14, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 2.0Aug 12, 2026Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Polymer sequence / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / chem_comp_atom / chem_comp_bond / database_PDB_caveat / entity / entity_poly / entity_poly_seq / ndb_struct_conf_na / ndb_struct_na_base_pair / ndb_struct_na_base_pair_step / pdbx_entity_nonpoly / pdbx_entry_details / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_struct_mod_residue / struct_asym / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.group_PDB / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.label_seq_id / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity_poly.nstd_monomer / _entity_poly.pdbx_seq_one_letter_code / _entity_poly_seq.mon_id / _pdbx_poly_seq_scheme.mon_id / _pdbx_poly_seq_scheme.pdb_mon_id / _pdbx_struct_assembly_gen.asym_id_list / _struct_site.pdbx_num_residues
Description: Metalloprotein remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: RNA SUBSTRATE
B: RNA HAIRPIN RIBOZYME
D: RNA SUBSTRATE
E: RNA HAIRPIN RIBOZYME
C: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A
F: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)97,46945
Polymers95,8166
Non-polymers1,65339
Water3,567198
1
A: RNA SUBSTRATE
B: RNA HAIRPIN RIBOZYME
C: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,79524
Polymers47,9083
Non-polymers88721
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
D: RNA SUBSTRATE
E: RNA HAIRPIN RIBOZYME
F: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,67521
Polymers47,9083
Non-polymers76618
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)259.380, 44.220, 102.500
Angle α, β, γ (deg.)90.00, 106.30, 90.00
Int Tables number5
Cell settingmonoclinic
Space group name H-MC121

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Components

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RNA chain , 2 types, 4 molecules ADBE

#1: RNA chain RNA SUBSTRATE


Mass: 6599.963 Da / Num. of mol.: 2 / Source method: obtained synthetically
Details: THIS SEQUENCE OCCURS NATURALLY IN SATELLITE TOBACCO RINGSPOT VIRUS
#2: RNA chain RNA HAIRPIN RIBOZYME


Mass: 29809.795 Da / Num. of mol.: 2 / Source method: obtained synthetically
Details: THIS SEQUENCE OCCURS NATURALLY IN SATELLITE TOBACCO RINGSPOT VIRUS

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Protein , 1 types, 2 molecules CF

#3: Protein U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A / U1 snRNP A protein / U1 snRNP-specific protein A


Mass: 11498.472 Da / Num. of mol.: 2 / Fragment: U1A RNA BINDING DOMAIN / Mutation: Y31H,Q36R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SNRPA / Production host: Escherichia coli (E. coli) / References: UniProt: P09012

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Non-polymers , 3 types, 237 molecules

#4: Chemical...
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 37 / Source method: obtained synthetically / Formula: Ca
#5: Chemical ChemComp-VVB / bis(oxidanyl)vanadium


Mass: 84.956 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: H2O2V
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 198 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.94 Å3/Da / Density % sol: 58.15 %
Crystal growTemperature: 300 K / Method: vapor diffusion, sitting drop / pH: 5
Details: MPD, calcium Chloride, ammonium chloride, meta-ammonium vanadate, pH 5.0, VAPOR DIFFUSION, SITTING DROP at 300K
Components of the solutions
IDNameCrystal-IDSol-ID
1CaCl211
2NH4Cl11
3meta-ammonium vanadate11
4MPD11
5CaCl212
6NH4Cl12
7MPD12

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Data collection

DiffractionMean temperature: 150 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 5.0.1 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Mar 10, 2002
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.2→20 Å / Num. all: 57194 / Num. obs: 57194 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.6 % / Biso Wilson estimate: 34.6 Å2 / Rsym value: 0.064 / Net I/σ(I): 22.9
Reflection shellResolution: 2.2→2.28 Å / Mean I/σ(I) obs: 1.9 / Rsym value: 0.489 / % possible all: 99

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Processing

Software
NameClassification
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1HP6

1hp6
PDB Unreleased entry


Resolution: 2.2→20 Å / Rfactor Rfree error: 0.004 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0
Stereochemistry target values: Engh & Huber, Parkinson et al.
RfactorNum. reflection% reflectionSelection details
Rfree0.264 5513 9.6 %RANDOM
Rwork0.229 ---
obs0.229 57194 99.5 %-
all-57194 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 52.9379 Å2 / ksol: 0.32267 e/Å3
Displacement parametersBiso mean: 81.4 Å2
Baniso -1Baniso -2Baniso -3
1-6.08 Å20 Å218.44 Å2
2---5.36 Å20 Å2
3----0.72 Å2
Refine analyzeLuzzati coordinate error free: 0.39 Å / Luzzati sigma a free: 0.46 Å
Refinement stepCycle: LAST / Resolution: 2.2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1519 4818 37 198 6572
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_dihedral_angle_d18
X-RAY DIFFRACTIONc_improper_angle_d1.75
X-RAY DIFFRACTIONc_mcbond_it2.672
X-RAY DIFFRACTIONc_mcangle_it3.393
X-RAY DIFFRACTIONc_scbond_it7.345.5
X-RAY DIFFRACTIONc_scangle_it8.726.5
LS refinement shellResolution: 2.2→2.34 Å / Rfactor Rfree error: 0.013 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.388 944 10.1 %
Rwork0.37 8441 -
obs--99.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMDNA_RNA_NEW.
X-RAY DIFFRACTION3DNA-RNA_REPDWATER.TOP
X-RAY DIFFRACTION4ION.PARAMION.TOP

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