PDBx/mmCIF
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Data Item
_chem_comp_atom.atom_id
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Supporting Data
General
Item name
_chem_comp_atom.atom_id
Category name
chem_comp_atom
Attribute name
atom_id
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 80.1 % of entries
Used in the Chemical Component dictionary
Yes
Item Description
The value of _chem_comp_atom.atom_ID must uniquely identify each atom in each monomer in the CHEM_COMP_ATOM list.
Data Type
Data type code
atcode
Data type detail
Character data type for atom names ...
Primitive data type code
char
Regular expression
[][ _(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Child Data Items
_angle.atom_id_1
_angle.atom_id_2
_angle.atom_id_3
_assembly_segment.atom_id
_assigned_peak_chem_shift.atom_id
_assigned_spectral_transition.atom_id
_atom_chem_shift.atom_id
_atom_nomenclature.atom_id
_atom_site.label_atom_id
_author_annotation.atom_id
_auto_relaxation.atom_id
_binding_result.atm_obs_atom_id
_bond.atom_id_1
_bond.atom_id_2
_bond_annotation.atom_id_1
_bond_annotation.atom_id_2
_ca_cb_constraint.atom_id_1
_ca_cb_constraint.atom_id_2
_ca_cb_constraint.atom_id_3
_ca_cb_constraint.atom_id_4
_ca_cb_constraint.atom_id_5
_characteristic.atom_id
_chem_comp_angle.atom_id_1
_chem_comp_angle.atom_id_2
_chem_comp_angle.atom_id_3
_chem_comp_bond.atom_id_1
_chem_comp_bond.atom_id_2
_chem_comp_tor.atom_id_1
_chem_comp_tor.atom_id_2
_chem_comp_tor.atom_id_3
_chem_comp_tor.atom_id_4
_chemical_rate.atom_id
_coupling_constant.atom_id_1
_coupling_constant.atom_id_2
_cross_correlation_d_csa.csa_atom_id_1
_cross_correlation_d_csa.csa_atom_id_2
_cross_correlation_d_csa.dipole_atom_id_1
_cross_correlation_d_csa.dipole_atom_id_2
_cross_correlation_dd.dipole_1_atom_id_1
_cross_correlation_dd.dipole_1_atom_id_2
_cross_correlation_dd.dipole_2_atom_id_1
_cross_correlation_dd.dipole_2_atom_id_2
_cs_anisotropy.atom_id
_d_h_fractionation_factor.atom_id
_deduced_h_bond.donor_atom_id
_deduced_h_bond.h_atom_id
_deduced_h_bond.heavy_atom_atom_id_1
_deduced_h_bond.heavy_atom_atom_id_2
_deduced_secd_struct_feature.atom_id
_dipolar_coupling.atom_id_1
_dipolar_coupling.atom_id_2
_dipole_dipole_relax.atom_id_1
_dipole_dipole_relax.atom_id_2
_dist_constraint.atom_id
_entity_atom_list.atom_id
_entity_bond.atom_id_1
_entity_bond.atom_id_2
_entity_chem_comp_deleted_atom.atom_id
_entity_deleted_atom.atom_id
_floating_chirality.atom_id_1
_floating_chirality.atom_id_2
_gen_dist_constraint.atom_id_1
_gen_dist_constraint.atom_id_2
_h_chem_shift_constraint.atom_id
_h_exch_protection_factor.atom_id
_h_exch_rate.atom_id
_heteronucl_noe.atom_id_1
_heteronucl_noe.atom_id_2
_homonucl_noe.atom_id_1
_homonucl_noe.atom_id_2
_interatomic_dist.atom_id_1
_interatomic_dist.atom_id_2
_isotope_effect.atom_id
_isotope_label_pattern.atom_id
_j_three_bond_constraint.atom_id_1
_j_three_bond_constraint.atom_id_2
_j_three_bond_constraint.atom_id_3
_j_three_bond_constraint.atom_id_4
_mol_interaction_chem_shift.atom_id
_order_param.atom_id
_other_data.atom_id
_ph_titr_result.atm_obs_atom_id
_ph_titr_result.atm_titr_atom_id
_rdc.atom_id_1
_rdc.atom_id_2
_rdc_constraint.atom_id_1
_rdc_constraint.atom_id_2
_rep_conf.atom_id
_resonance_assignment.atom_id
_sample_component_atom_isotope.atom_id
_spectral_density.atom_id
_structure_interaction.atom_id_1
_structure_interaction.atom_id_2
_t1.atom_id
_t1rho.atom_id
_t2.atom_id
_tensor.atom_id
_tertiary_struct.atom_id
_theoretical_chem_shift.atom_id
_torsion_angle.atom_id_1
_torsion_angle.atom_id_2
_torsion_angle.atom_id_3
_torsion_angle.atom_id_4
_torsion_angle_constraint.atom_id_1
_torsion_angle_constraint.atom_id_2
_torsion_angle_constraint.atom_id_3
_torsion_angle_constraint.atom_id_4