9Q6H | pdb_00009q6h

Human Serum Albumin in complex with four nanobodies: nb33, nb77, nb125 & N42

PDB DOI: https://doi.org/10.2210/pdb9Q6H/pdb
EM Map EMD-72278: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens, Lama glama
Expression System: Homo sapiens, Escherichia coli
Mutation(s): No

Deposited: 2025-08-22 Released: 2026-03-25
Deposition Author(s): Hang, W., Sang, Z., Xiang, Y.F., Taylor, D.J., Shi, Y.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9Q6H

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

Literature

Human Serum Albumin in complex with four nanobodies: nb33, nb77, nb125 & N42

Sang, Z., Huang, W., Shi, Y.

To be published.

Macromolecule Content

Total Structure Weight: 122.23 kDa
Atom Count: 8,566
Modeled Residue Count: 1,093
Deposited Residue Count: 1,093
Unique protein chains: 5

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serum albumin	A	585	Homo sapiens	Mutation(s): 0 Gene Names: ALB, GIG20, GIG42, PRO0903, PRO1708, PRO2044, PRO2619, PRO2675, UNQ696/PRO1341
UniProt & NIH Common Fund Data Resources
Find proteins for P02768 (Homo sapiens) Explore P02768 Go to UniProtKB: P02768
PHAROS: P02768 GTEx: ENSG00000163631
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P02768
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
nb33	B	131	Lama glama	Mutation(s): 0

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
nb77	C	125	Lama glama	Mutation(s): 0

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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
nb125	D	124	Lama glama	Mutation(s): 0

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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
N42	E	128	Lama glama	Mutation(s): 0

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC	4.7.0

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-03-25

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	5R01GM154832

Revision History (Full details and data files)

Version 1.0: 2026-03-25
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.