7EQU

Crystal structure of the C-lobe of lactoferrin produced by limited proteolysis using pepsin at 2.74A resolution

• PDB DOI: https://doi.org/10.2210/pdb7EQU/pdb

• Classification: ISOMERASE
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2021-05-04 Released: 2021-05-19 
• Deposition Author(s): Maurya, A., Singh, J., Sharma, A., Sharma, P., Sharma, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.298 
• R-Value Work: 0.239 

Starting Model: experimental

Literature

Crystal structure of the C-lobe of lactoferrin produced by limited proteolysis using pepsin at 2.74A resolution

Maurya, A., Singh, J., Sharma, A., Sharma, P., Sharma, S., Singh, T.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 79.48 kDa 
• Atom Count: 5,549 
• Modelled Residue Count: 696 
• Deposited Residue Count: 696 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lactotransferrin	A, B	348	Bos taurus	Mutation(s): 0  EC: 3.4.21
UniProt
Find proteins for P24627 (Bos taurus) Explore P24627  Go to UniProtKB:  P24627
Glycosylation
Glycosylation Sites: 3

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C, D, E	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F [auth G], G [auth F]	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	H	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G44266EX GlyCosmos:  G44266EX GlyGen:  G44266EX

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BCT	J [auth A], L [auth B]	BICARBONATE ION C H O3 BVKZGUZCCUSVTD-UHFFFAOYSA-M
FE	I [auth A], K [auth B]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.298 
• R-Value Work: 0.239 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 153.759	α = 90
b = 81.554	β = 129.949
c = 111.364	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-05-19 
Deposition Author(s): Maurya, A., Singh, J., Sharma, A., Sharma, P., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2021-05-19
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-11-06
  Changes: Structure summary