9KMP | pdb_00009kmp

CRP-HCAb1 complex

PDB DOI: https://doi.org/10.2210/pdb9KMP/pdb
EM Map EMD-62440: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens, Vicugna pacos
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2024-11-16 Released: 2025-11-19
Deposition Author(s): Li, Y.J.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

CRP-HCAb1 complex

Li, Y.J.

To be published.

Macromolecule Content

Total Structure Weight: 178.75 kDa
Atom Count: 12,505
Modeled Residue Count: 1,600
Deposited Residue Count: 1,615
Unique protein chains: 2

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
C-reactive protein	A, C, E, G, I [auth H]	206	Homo sapiens	Mutation(s): 0 Gene Names: CRP, PTX1
UniProt & NIH Common Fund Data Resources
Find proteins for P02741 (Homo sapiens) Explore P02741 Go to UniProtKB: P02741
PHAROS: P02741 GTEx: ENSG00000132693
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P02741
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CRP specific recognition heavy chain antibodie 1 (HCAb1)	B, D, F, H [auth I], J	117	Vicugna pacos	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 4.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-11-19

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2025-11-19
Type: Initial release

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.