3S9M

Complex between transferrin receptor 1 and transferrin with iron in the N-Lobe, cryocooled 1

• PDB DOI: https://doi.org/10.2210/pdb3S9M/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Cricetinae
• Mutation(s): Yes 


• Deposited: 2011-06-01 Released: 2011-08-10 
• Deposition Author(s): Eckenroth, B.E., Steere, A.N., Mason, A.B., Everse, S.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.32 Å
• R-Value Free: 0.332 
• R-Value Work: 0.282 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 301.78 kDa 
• Atom Count: 16,658 
• Modelled Residue Count: 2,282 
• Deposited Residue Count: 2,694 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transferrin receptor protein 1	A, B	654	Homo sapiens	Mutation(s): 0  Gene Names: TFR1, TFRC
UniProt & NIH Common Fund Data Resources
Find proteins for P02786 (Homo sapiens) Explore P02786  Go to UniProtKB:  P02786
PHAROS:  P02786 GTEx:  ENSG00000072274

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Serotransferrin	C, D	693	Homo sapiens	Mutation(s): 4  Gene Names: PRO1400, TF
UniProt & NIH Common Fund Data Resources
Find proteins for P02787 (Homo sapiens) Explore P02787  Go to UniProtKB:  P02787
PHAROS:  P02787 GTEx:  ENSG00000091513

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	E [auth A], G [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
CO3	I [auth C], K [auth D]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L
FE	J [auth C], L [auth D]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N
CA	F [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.32 Å
• R-Value Free: 0.332 
• R-Value Work: 0.282 
• Space Group: P 4₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 232.187	α = 90
b = 232.187	β = 90
c = 168.31	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
CNS	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-10 
Deposition Author(s): Eckenroth, B.E., Steere, A.N., Mason, A.B., Everse, S.J.

Revision History  

• Version 1.0: 2011-08-10
  Type: Initial release
  
• Version 1.1: 2011-12-14
  Changes: Database references
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary