Page Inspect

RCSB PDB: Homepage

Warning You are using a web browser that we do not support. Our website will not work properly. Please update to a newer version or download a new web browser, such as Chrome or Firefox.

Help

Contact us

Toggle navigationRCSB PDB

- Deposit

#### Prepare Data
- PDBx/mmCIF file
- pdb\_extract
- SF-Tool
- Ligand Expo
- MAXIT

#### Validate Data
- Validation Server
- Validation API
- Information for Journals
- Validation Task Forces

#### Deposit Data
- wwPDB OneDep System
- PDB-IHM

#### Help and Resources
- Deposit FAQ
- Validation FAQ
- Tutorials
- Annotation Policies
- Processing Procedures
- PDBx/mmCIF Dictionary
- PDBx/mmCIF User Guide
- Chemical Component Dictionary
- Biologically Interesting Molecule Reference Dictionary (BIRD)
- BioSync/Beamlines/Facilities
- Related Tools
- Search
- Advanced Search
- Sequence Similarity Search
- Structure Similarity Search
- Chemical Similarity Search
- Chemical Sketch Tool
- Browse by Annotations
- New Entries
- Unreleased Entries
- PDB Statistics
- Visualize
- Mol\* (MolStar)
- Sequence Annotations Viewer
- Genome View
- Analyze
- Pairwise Structure Alignment
- Symmetry Resources in the PDB
- Structure Quality
- Grouping Structures
- PDB Citation MeSH Network Explorer
- PDB Statistics
- EPPIC Biological Assemblies
- External Data and Resources
- Integrated Resources
- Additional Resources
- Download
- Coordinates and Experimental Data
- Sequences
- Ligands
- File Download Services
- Web APIs
- Learn
####
- Training Courses
- Guide to PDB Data
- Molecule of the Month
- Educational Resources
- Curricula
- Browse
- News
- SciArt Galleries
- Irving Geis
- David Goodsell
- About
- Contact Us
- About RCSB PDB
- Vision and Mission
- Citation, Usage, Privacy Policies, Logo
- News
- PDB History
- PDB50
- User Community
- Publications
- RCSB PDB Advisory Committee
- Team Members
- Service Status
- Careers
- COVID-19
- -
-
-
-
-
-

245,074
Structures from the PDB archive

1,068,577
Computed Structure Models (CSM)

-
-
-
-
-
-

-
-
-
-
-
-

#### Redesigned PDB Statistics Support Enhanced Functionality
Explore Statistics

- Welcome
- Deposit
- Search
- Visualize
- Analyze
- Download
- Learn

## Welcome

RCSB Protein Data Bank (RCSB PDB) enables breakthroughs in science and education by providing access and tools for exploration, visualization, and analysis of:

Experimentally-determined 3D structures from the Protein Data Bank (PDB) archive

Integrative 3D Structures from the PDB Archive

Computed Structure Models (CSM) from AlphaFold DB and ModelArchive

* * *

#### November Molecule of the Month

##### GLP-1 Receptor Agonists

### Prepare Data
- #### PDBx/mmCIF file

Prepare data in PDBx/mmCIF format
- #### pdb\_extract

Extract data from structure determination programs
- #### SF-Tool

Convert structure factor files among various formats
- #### Ligand Expo

Search the Chemical Component Dictionary for the IDs of released ligands
- #### MAXIT

Translate data between file formats and more

### Validate Data
- #### Validation Server

Check your X-ray, NMR, or EM structures before depositing-standalone server
- #### Validation API

Validate your structures via programmatic remote access before deposition
- #### Information for Journals

Instructions to journal editors
- #### Validation Task Forces

Recommendations from method-specific Validation Task Forces

### Deposit Data
- #### wwPDB OneDep System

Deposit 3D macromolecular structure data to the PDB
- #### PDB-IHM

Deposit structural models obtained using integrative hybrid methods

### Help and Resources
- Deposit FAQ
- Validation FAQ
- Tutorials
- Annotation Policies
- Processing Procedures
- PDBx/mmCIF Dictionary
- PDBx/mmCIF User Guide
- Chemical Component Dictionary
- Biologically Interesting Molecule Reference Dictionary (BIRD)
- BioSync/Beamlines/Facilities
- Related Tools

- #### Advanced Search

Complex boolean queries with values for a wide range of structure attributes
- #### Sequence Similarity Search

Find similar protein and nucleic acid sequences using the mmseqs2 method
- #### Structure Similarity Search

Search protein structures by global shape similarity
- #### Chemical Similarity Search

Find ligands bound to macromolecules by SMILES String, InChI, or Chemical Formula
- #### Chemical Sketch Tool

Draw a molecule and use the SMILES or InChI string to search for molecules in the CCD
- #### Browse by Annotations

PDB entries in context of annotations by various ontologies and hierarchical classification schemes
- #### New Entries

Search entries released since last Tuesday
- #### Unreleased Entries

Search entries that are being processed, on hold waiting for release, or have been withdrawn
- #### PDB Statistics

PDB data distribution, archive growth, and more

- #### Mol\* (MolStar)

3D visualization for PDB structures and ligand binding sites. Access from each structure summary page.
- #### Sequence Annotations Viewer

Graphical summaries of protein features and their relationships with UniProtKB entries. Access from each structure summary page.
- #### Genome View

Graphical summaries of the correspondences between PDB entity sequences and genomes. Access from each structure summary page.

- #### Pairwise Structure Alignment

Calculate pairwise structure alignments using various methods
- #### Symmetry Resources in the PDB

Explore tools that display global, local, and helical symmetry among subunits
- #### Structure Quality

The slider graphic compares important global quality indicators for a given structure with the PDB archive
- #### Grouping Structures

Explore conservation and trends in the structure properties, features, and functions
- #### PDB Citation MeSH Network Explorer

Find connections between articles describing PDB structures using MeSH terms
- #### PDB Statistics

PDB data distribution, archive growth, and more
- #### EPPIC Biological Assemblies

EPPIC (Evolutionary Protein-Protein Interface Classifier) finds biological interfaces from crystal contacts
- #### External Data and Resources

- • Integrated Resources
- • Additional Resources

- #### Coordinates and Experimental Data

Enter PDB IDs to download multiple files in batches containing one or more file formats
- #### Sequences

Enter PDB IDs to download sequences in FASTA format
- #### Ligands

Enter the chemical component IDs to download SDF files with ligand coordinates
- #### File Download Services

Download PDB archive or other related data files
- #### Web APIs

The Data API and Search API are the two main APIs that power rcsb.org

Training, Outreach, and Education resources to build and support the broad PDB user community

- #### Training Courses

Learn to effectively use tools for deposition, searching, analysis, and visualization of PDB data
- #### Guide to PDB Data

Guided reference for exploration and interpretation of PDB entries
- #### Molecule of the Month

Accounts of selected molecules from the PDB
- #### Educational Resources

Resources promoting exploration in the world of proteins and nucleic acids
- #### Curricula

Authentic, hands-on teaching materials, individual and group activities
- #### Browse

Browse all PDB-101 resources by biological theme
- #### News

Learn about educational offerings and outreach events
- #### SciArt Galleries

Molecular art for downloading and printing by

- • Irving Geis
- • David Goodsell

### Latest Entries
As ofTue Nov 11 2025

### 9R0G

* * *

##### Human CD73 (ecto 5'-nucleotidase) in complex with compound 21

### 9H8H

* * *

##### Structure of DC11 anti tau antibody Fab fragment

### 9KGI

* * *

##### Structural Basis for the Recognition of Blood Group Trisaccharides by Tulane virus

### 9IYI

* * *

##### VLP structure of Chikungunya virus complexed with C34 Fab, 2f block.

### 9D13

* * *

##### Tt Pah2 D148N delta helix apo

### 9KA4

* * *

##### The cryo-EM structure of MSA-like fold (P1) formed under the palette stratagy.

### 9IY7

* * *

##### CryoEM structure of a transmembrane protein

### 9KHB

* * *

##### Crystal structure of wild-type human fibrinogen gamma chain C-terminal domain (gamma-nodule)

### 9IFN

* * *

##### PANDDA analysis - Crystal structure of Trypanosoma brucei trypanothione reductase in complex with Z436190540

### 9E8U

* * *

##### (Apo)Alpha-synuclein fibril structures from MSA patient brain

### Features & Highlights

#### Register for the Nov 24 Virtual Office Hour on Exploring CSMs at RCSB.org

Learn how to use RCSB.org features to navigate 3D Computed Structure Models from AlphaFold DB and ModelArchive

#### Register Now for Webinar: Exploring Integrative Structures with RCSB.org

On November 12, learn how to explore PDB structures determined using integrative and hybrid methods with RCSB PDB tools

#### Register Now for Webinar: Exploring the Workhorses of Biotechnology

On November 6, learn how to use RCSB.org to analyze plastic-degrading enzymes

#### Coming Soon: Remediation of Metalloprotein-containing PDB Entries and CCDs

Existing polyatomic metal containing PDB entries and CCDs will be updated to make metalloprotein structures findable and reusable with more complete chemical description and metal coordination annotation.

#### Register for the Nov 24 Virtual Office Hour on Exploring CSMs at RCSB.org

Learn how to use RCSB.org features to navigate 3D Computed Structure Models from AlphaFold DB and ModelArchive

#### Register for the Oct 30 Virtual Office Hour on Structure Summary Pages

Learn how a exploring a single PDB structure at RCSB.org can lead to visualizations, analyses, and searches across the archive

#### Register Now for Webinar: Exploring the Workhorses of Biotechnology

On November 6, learn how to use RCSB.org to analyze plastic-degrading enzymes

#### Watch the Pairwise Alignment Tool Office Hour

Learn how to align one or more protein chains to a reference structure in a pairwise manner

#### Introducing the first 3DEM Model-Map percentile slider to the wwPDB validation report

Introducing the latest wwPDB Percentile slider based on the Q-score model-map validation metric

#### Register for the Sept 25 Virtual Office Hour on PDB Policies

Learn about PDB policies about deposition and biocuration.


See new feature archive

- ### News
- ### Publications
- Published in Journals & Books

* * *

- Molecule of the Month

* * *

- Quarterly Newsletter
- Annual Report

- #### Video: Immunology and Cancer

Visit PDB-101 to watch a three-part series exploring the cellular and molecular details of the human immune response to cancer. Now available in English and Spanish.

» 11/17/2025
- #### Poster Prizes Awarded at LACA

Congratulations to Miguel Arbeláez (University of São Paulo and National University of Colombia) and Francisco Patrick Ferreira da Silva (Federal University of Ceará, Brazil)

» 11/12/2025
- #### PDB-101 Focus: Peak Performance

PDB-101 materials explore the structural biology of nutrition.

» 11/11/2025
- #### Education Corner: Cambridge Structural Database

Learn how CCDC is *Celebrating 60 Years of Research and Education with Small Molecules*

» 11/06/2025
- #### Powering a New Era in Structural Biology

Read how integrative modeling transforms how scientists understand molecular machines

» 11/04/2025
- #### Watch Molecules in Motion

Subscribe to the RCSB PDB YouTube channel for webinars, molecular animations, and more

» 10/28/2025
- #### Explore Green Fluorescent Protein

In a new tutorial, use RCSB PDB resources to find and explore the 3D structure of GFP

» 10/21/2025
- #### Happy Birthday, PDB!

October 20 is the anniversary of the 1971 announcement of the PDB.

» 10/19/2025
- #### Happy Birthday, Irving Geis

Celebrate Geis' birthday (October 18, 1908) with a tour of the Geis Digital Archive of his pioneering works of biomolecular art at PDB-101

» 10/16/2025
- #### PDB-101 Focus: Peak Performance

PDB-101 materials explore the structural biology of nutrition.

» 10/14/2025

### Molecule of the Month

#### GLP-1 Receptor Agonists

Popular and effective drugs for the treatment of obesity and diabetes

Read More

### Quarterly News (see archive)

#### Issue 107 - October 2025

This issue highlights Extended PDB IDs; the Pairwise Alignment Tool, a new animation on Caffeine and Adenosine, and more.

Education Corner: Learn how CCDC is Celebrating 60 Years of Research and Education with Small Molecules.

- Summer 2025 Issue
- Spring 2025 Issue
- Winter 2025 Issue

### Annual Reports

#### 2024 Annual Report

Download the 2024 Annual Report (PDF) for an overview of recent activities and the global impact of PDB data and RCSB PDB services.

Annual Report Archive

PDB at a Glance

**244,693**

Experimental PDB Structures

**381**

Integrative PDB Structures

**77,541**

Structures of Human Sequences

**20,442**

Nucleic Acid Containing Structures

CSM at a Glance

**999,251**

AlphaFoldDB

**69,326**

ModelArchive

More Statistics

- About
- About Us
- Citing Us
- Publications
- Team
- Careers
- Usage & Privacy

- Support
- Contact Us
- Help
- Website FAQ
- Glossary
- Service Status

- RCSB PDB is hosted by
- * * *

* * *

* * *

- RCSB PDB is a member of
- * * *

* * *

* * *

- RCSB Partners
- Nucleic Acid Knowledgebase

- wwPDB Partners
- RCSB PDB
- PDBe
- PDBj
- BMRB
- EMDB

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.