8Z4F

Pseudomurein Endoisopeptidases PeiP

• PDB DOI: https://doi.org/10.2210/pdb8Z4F/pdb

• Classification: LYASE
• Organism(s): Methanobacterium phage psiM2
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2024-04-17 Released: 2024-10-30 
• Deposition Author(s): Guo, L., Bai, L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 
  0.231 (Depositor), 0.232 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.199 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

Pseudomurein Endoisopeptidases PeiP

Leizhou, G., Shuxin, W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: native gel electrophoresis

Macromolecule Content

• Total Structure Weight: 71.11 kDa 
• Atom Count: 4,550 
• Modelled Residue Count: 522 
• Deposited Residue Count: 606 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pseudomurein endosiopeptidase	A [auth B], B [auth A]	303	Methanobacterium phage psiM2	Mutation(s): 0  Gene Names: peiP EC: 3.4.22
UniProt
Find proteins for Q77WJ4 (Methanobacterium phage psiM2) Explore Q77WJ4  Go to UniProtKB:  Q77WJ4

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free:  0.231 (Depositor), 0.232 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.199 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.34	α = 90
b = 113.1	β = 90
c = 120.92	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-10-30 
Deposition Author(s): Guo, L., Bai, L.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	42203080
National Natural Science Foundation of China (NSFC)	China	31970066

Revision History  

• Version 1.0: 2024-10-30
  Type: Initial release