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Oxyhemoglobin, R state

Human hemoglobin in the oxygen-bound R state. The classic structure that captures cooperative binding mid-cycle.

Protein Globins1HHO

JTJin Tanaka

8.2k61223

Deoxyhemoglobin, T state

Human deoxyhemoglobin in the tense T state. Pairs naturally with 1HHO to study the allosteric switch behind cooperative oxygen binding.

Protein Globins4HHB

PIPriya Iyer

5.4k38819

Sperm whale myoglobin

The first protein structure ever solved by X-ray crystallography (Kendrew, 1958). Still a benchmark for oxygen-storage dynamics.

Protein Globins1MBN

HNHenrik Nilsson

4.1k29714

β2 adrenergic receptor–Gs complex

β2 adrenergic receptor captured coupled to its heterotrimeric Gs partner. A landmark GPCR signaling complex.

Receptor GPCRs3SN6

SVSofia Vargas

14k1.1k96

Bovine rhodopsin, dark state

Bovine rhodopsin in its dark resting state. A cornerstone for visual-pigment activation dynamics.

Receptor GPCRs6CMO

YSYuki Sato

6.8k49132

CRISPR-Cas9 with sgRNA and DNA

Cas9 bound to a single-guide RNA and target DNA. The complete editing complex in a cleavage-ready geometry.

Enzyme CRISPR-Cas94OO8

MAMarcus Adebayo

19k1.6k211

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Find the structures and systems you care about.

Proteins

8 simulations

DNA

1 simulation

RNA

0 simulations

Membranes

1 simulation

Drug complexes

0 simulations

Enzymes

4 simulations

Antibodies

1 simulation

Receptors

2 simulations

Showing 17 of 17 simulations

Hen egg-white lysozyme

Classic 129-residue enzyme that cleaves bacterial cell walls. A long-standing benchmark for force-field validation and protein dynamics.

Enzyme Lysozymes1AKI

MOMira Okafor

12k98047

Oxyhemoglobin, R state

Human hemoglobin in the oxygen-bound R state. The classic structure that captures cooperative binding mid-cycle.

Protein Globins1HHO

JTJin Tanaka

8.2k61223

SARS-CoV-2 spike, closed prefusion

Closed-trimer prefusion conformation of the spike glycoprotein. The starting state for receptor-binding-domain opening dynamics.

Protein Coronavirus spike6VXX

SVSofia Vargas

25k2.1k312

CRISPR-Cas9 with sgRNA and DNA

Cas9 bound to a single-guide RNA and target DNA. The complete editing complex in a cleavage-ready geometry.

Enzyme CRISPR-Cas94OO8

MAMarcus Adebayo

19k1.6k211

β2 adrenergic receptor–Gs complex

β2 adrenergic receptor captured coupled to its heterotrimeric Gs partner. A landmark GPCR signaling complex.

Receptor GPCRs3SN6

SVSofia Vargas

14k1.1k96

Drew–Dickerson B-DNA dodecamer

Twelve base pairs of canonical B-form DNA — the dodecamer that defined our picture of double-helix geometry.

DNA1BNA

HNHenrik Nilsson

3.1k2408

Sperm whale myoglobin

The first protein structure ever solved by X-ray crystallography (Kendrew, 1958). Still a benchmark for oxygen-storage dynamics.

Protein Globins1MBN

HNHenrik Nilsson

4.1k29714

Deoxyhemoglobin, T state

Human deoxyhemoglobin in the tense T state. Pairs naturally with 1HHO to study the allosteric switch behind cooperative oxygen binding.

Protein Globins4HHB

PIPriya Iyer

5.4k38819

Bovine rhodopsin, dark state

Bovine rhodopsin in its dark resting state. A cornerstone for visual-pigment activation dynamics.

Receptor GPCRs6CMO

YSYuki Sato

6.8k49132

Crambin

A 46-residue plant protein resolved at sub-ångström resolution. A tiny but exceptionally well-resolved benchmark for force fields.

Protein1CRN

DCDaniel Cohen

1.8k1424

Intact mouse IgG2a antibody

One of the few full-length immunoglobulin structures available — hinges, Fab arms, and Fc all resolved.

Antibody Immunoglobulins1IGT

ERElena Rossi

3.2k24811

Src tyrosine kinase, autoinhibited

Src tyrosine kinase in its closed, autoinhibited conformation — the regulatory baseline that activation has to overcome.

Enzyme Kinases2SRC

APAnya Petrova

4.4k3189

Protein kinase A, catalytic subunit

PKA catalytic subunit bound to ATP and substrate peptide — the textbook reference structure for protein kinases.

Enzyme Kinases1ATP

DCDaniel Cohen

5.1k37218

Spinach aquaporin SoPIP2;1

A tetrameric water channel embedded in a plant plasma membrane. Each monomer gates water flow through a narrow selectivity filter.

Membrane Aquaporins2NWL

AMAisha Mwangi

2.8k2147

Nucleosome core particle

147 base pairs of DNA wrapped around a histone octamer (two copies of H2A, H2B, H3, H4). The fundamental unit of chromatin.

Protein Histones1KX5

ERElena Rossi

7.2k53841

Bovine pancreatic trypsin inhibitor (BPTI)

Small, exceptionally stable Kunitz-domain inhibitor of serine proteases — one of the most thoroughly studied proteins in biophysics.

Protein Kunitz inhibitors4PTI

LBLukas Becker

2.1k1656

Ubiquitin

Seventy-six residues of fold-and-signaling perfection. The reference β-grasp fold and a staple of folding studies.

Protein Ubiquitin1UBQ

LBLukas Becker

2.7k19811