![RCSB PDB - 5DAR: CRYSTAL STRUCTURE OF THE BASE OF THE RIBOSOMAL P STALK FROM METHANOCOCCUS JANNASCHII RCSB PDB - 5DAR: CRYSTAL STRUCTURE OF THE BASE OF THE RIBOSOMAL P STALK FROM METHANOCOCCUS JANNASCHII](https://cdn.rcsb.org/images/structures/5dar_assembly-1.jpeg)
RCSB PDB - 5DAR: CRYSTAL STRUCTURE OF THE BASE OF THE RIBOSOMAL P STALK FROM METHANOCOCCUS JANNASCHII
![RCSB PDB - 1LCD: STRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE-PAIR HALF-OPERATOR DETERMINED BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY AND RESTRAINED MOLECULAR DYNAMICS RCSB PDB - 1LCD: STRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE-PAIR HALF-OPERATOR DETERMINED BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY AND RESTRAINED MOLECULAR DYNAMICS](https://cdn.rcsb.org/images/structures/1lcd_models.jpeg)
RCSB PDB - 1LCD: STRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE-PAIR HALF-OPERATOR DETERMINED BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY AND RESTRAINED MOLECULAR DYNAMICS
![RCSB PDB - 1FUF: CRYSTAL STRUCTURE OF A 14BP RNA OLIGONUCLEOTIDE CONTAINING DOUBLE UU BULGES: A NOVEL INTRAMOLECULAR U*(AU) BASE TRIPLE RCSB PDB - 1FUF: CRYSTAL STRUCTURE OF A 14BP RNA OLIGONUCLEOTIDE CONTAINING DOUBLE UU BULGES: A NOVEL INTRAMOLECULAR U*(AU) BASE TRIPLE](https://files.rcsb.org/pub/pdb/validation_reports/fu/1fuf/1fuf_multipercentile_validation.png)
RCSB PDB - 1FUF: CRYSTAL STRUCTURE OF A 14BP RNA OLIGONUCLEOTIDE CONTAINING DOUBLE UU BULGES: A NOVEL INTRAMOLECULAR U*(AU) BASE TRIPLE
![RCSB PDB - 1GQU: Crystal structure of an alternating A-T oligonucleotide fragment with Hoogsteen base pairing RCSB PDB - 1GQU: Crystal structure of an alternating A-T oligonucleotide fragment with Hoogsteen base pairing](https://cdn.rcsb.org/images/structures/1gqu_assembly-1.jpeg)
RCSB PDB - 1GQU: Crystal structure of an alternating A-T oligonucleotide fragment with Hoogsteen base pairing
![RCSB PDB - 2BR0: DNA Adduct Bypass Polymerization by Sulfolobus solfataricus Dpo4. Analysis and Crystal Structures of Multiple Base-Pair Substitution and Frameshift Products with the Adduct 1,N2-Ethenoguanine RCSB PDB - 2BR0: DNA Adduct Bypass Polymerization by Sulfolobus solfataricus Dpo4. Analysis and Crystal Structures of Multiple Base-Pair Substitution and Frameshift Products with the Adduct 1,N2-Ethenoguanine](https://cdn.rcsb.org/images/structures/2br0_assembly-1.jpeg)
RCSB PDB - 2BR0: DNA Adduct Bypass Polymerization by Sulfolobus solfataricus Dpo4. Analysis and Crystal Structures of Multiple Base-Pair Substitution and Frameshift Products with the Adduct 1,N2-Ethenoguanine
![RCSB PDB - 1YFL: T4Dam in Complex with Sinefungin and 16-mer Oligonucleotide Showing Semi-specific and Specific Contact and Flipped Base RCSB PDB - 1YFL: T4Dam in Complex with Sinefungin and 16-mer Oligonucleotide Showing Semi-specific and Specific Contact and Flipped Base](https://cdn.rcsb.org/images/structures/1yfl_assembly-1.jpeg)
RCSB PDB - 1YFL: T4Dam in Complex with Sinefungin and 16-mer Oligonucleotide Showing Semi-specific and Specific Contact and Flipped Base
![RCSB PDB - 1EC4: SOLUTION STRUCTURE OF A HEXITOL NUCLEIC ACID DUPLEX WITH FOUR CONSECUTIVE T:T BASE PAIRS RCSB PDB - 1EC4: SOLUTION STRUCTURE OF A HEXITOL NUCLEIC ACID DUPLEX WITH FOUR CONSECUTIVE T:T BASE PAIRS](https://cdn.rcsb.org/images/structures/1ec4_model-1.jpeg)
RCSB PDB - 1EC4: SOLUTION STRUCTURE OF A HEXITOL NUCLEIC ACID DUPLEX WITH FOUR CONSECUTIVE T:T BASE PAIRS
![RCSB PDB - 3O82: Structure of BasE N-terminal domain from Acinetobacter baumannii bound to 5'-O-[N-(2,3-dihydroxybenzoyl)sulfamoyl] adenosine RCSB PDB - 3O82: Structure of BasE N-terminal domain from Acinetobacter baumannii bound to 5'-O-[N-(2,3-dihydroxybenzoyl)sulfamoyl] adenosine](https://cdn.rcsb.org/images/structures/3o82_assembly-1.jpeg)
RCSB PDB - 3O82: Structure of BasE N-terminal domain from Acinetobacter baumannii bound to 5'-O-[N-(2,3-dihydroxybenzoyl)sulfamoyl] adenosine
![RCSB PDB - 1O15: THEOPHYLLINE-BINDING RNA IN COMPLEX WITH THEOPHYLLINE, NMR, REGULARIZED MEAN STRUCTURE, REFINEMENT WITH TORSION ANGLE AND BASE-BASE POSITIONAL DATABASE POTENTIALS AND DIPOLAR COUPLINGS RCSB PDB - 1O15: THEOPHYLLINE-BINDING RNA IN COMPLEX WITH THEOPHYLLINE, NMR, REGULARIZED MEAN STRUCTURE, REFINEMENT WITH TORSION ANGLE AND BASE-BASE POSITIONAL DATABASE POTENTIALS AND DIPOLAR COUPLINGS](https://cdn.rcsb.org/images/structures/1o15_model-1.jpeg)
RCSB PDB - 1O15: THEOPHYLLINE-BINDING RNA IN COMPLEX WITH THEOPHYLLINE, NMR, REGULARIZED MEAN STRUCTURE, REFINEMENT WITH TORSION ANGLE AND BASE-BASE POSITIONAL DATABASE POTENTIALS AND DIPOLAR COUPLINGS
![RCSB PDB - 145D: Structure and thermodynamics of nonalternating C/G base pairs in Z-DNA: the 1.3 angstroms crystal structure of the asymmetric hexanucleotide D(M(5)CGGGM(5) CG)/D(M(5)CGCCM(5)CG) RCSB PDB - 145D: Structure and thermodynamics of nonalternating C/G base pairs in Z-DNA: the 1.3 angstroms crystal structure of the asymmetric hexanucleotide D(M(5)CGGGM(5) CG)/D(M(5)CGCCM(5)CG)](https://cdn.rcsb.org/images/structures/145d_assembly-1.jpeg)