3MAO

Crystal Structure of Human Methionine-R-Sulfoxide Reductase B1 (MsrB1)

• PDB DOI: https://doi.org/10.2210/pdb3MAO/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-03-24 Released: 2010-04-07 
• Deposition Author(s): Chaikuad, A., Shafqat, N., Yue, W.W., Savitsky, P., Krojer, T., Ugochukwu, E., Muniz, J.R.C., Pike, A.C.W., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Oppermann, U., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.42 Å
• R-Value Free: 0.170 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 

Starting Model: experimental

Literature

Crystal Structure of Human Methionine-R-Sulfoxide Reductase B1 (MsrB1)

Chaikuad, A., Shafqat, N., Yue, W.W., Savitsky, P., Krojer, T., Ugochukwu, E., Muniz, J.R.C., Pike, A.C.W., von Delft, F., H Arrowsmith, C., Edwards, A.M., Weigelt, J., Bountra, C., Oppermann, U., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 11.87 kDa 
• Atom Count: 1,011 
• Modelled Residue Count: 105 
• Deposited Residue Count: 105 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methionine-R-sulfoxide reductase B1	A	105	Homo sapiens	Mutation(s): 1  Gene Names: HSPC270, MSRB1, SEPX1, SEPX1 (MsrB1) EC: 1.8.4 (PDB Primary Data), 1.8.4.14 (UniProt), 1.8.4.12 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NZV6 (Homo sapiens) Explore Q9NZV6  Go to UniProtKB:  Q9NZV6
PHAROS:  Q9NZV6 GTEx:  ENSG00000198736

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MLI	E [auth A], F [auth A]	MALONATE ION C3 H2 O4 OFOBLEOULBTSOW-UHFFFAOYSA-L
FE	B [auth A]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N
NA	C [auth A], D [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.42 Å
• R-Value Free: 0.170 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.054	α = 90
b = 47.473	β = 90
c = 57.809	γ = 90

Software Package:

Software Name	Purpose
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-07 
Deposition Author(s): Chaikuad, A., Shafqat, N., Yue, W.W., Savitsky, P., Krojer, T., Ugochukwu, E., Muniz, J.R.C., Pike, A.C.W., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Oppermann, U., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-04-07
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2018-01-24
  Changes: Structure summary
• Version 1.3: 2021-10-06
  Changes: Database references, Derived calculations
• Version 1.4: 2023-09-06
  Changes: Data collection, Refinement description