9K94 | pdb_00009k94

CRP-HCAb2 complex

PDB DOI: https://doi.org/10.2210/pdb9K94/pdb
EM Map EMD-62187: EMDB EMDataResource

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

Deposited: 2024-10-25 Released: 2025-11-12
Deposition Author(s): Li, Y.J.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.04 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9K94

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

Literature

CRP-HCAb2 complex

Li, Y.J.

To be published.

Macromolecule Content

Total Structure Weight: 181.33 kDa
Atom Count: 12,730
Modeled Residue Count: 1,635
Deposited Residue Count: 1,645
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
C-reactive protein	A [auth C], C [auth A], E [auth D], G [auth F], I	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% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P02741
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CRP specific recognition heavy chain antibodie 2 (HCAb2)	B [auth H], D [auth B], F [auth E], H [auth G], J	123	Vicugna pacos	Mutation(s): 0

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 4.04 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-11-12

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2025-11-12
Type: Initial release

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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.