7C2A | pdb_00007c2a

Crystal structure of AlinE4, a SGNH-hydrolase family esterase

• PDB DOI: https://doi.org/10.2210/pdb7C2A/pdb
• Entry: 7C2A supersedes: 6M43

• Classification: HYDROLASE
• Organism(s): Altericroceibacterium indicum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-05-07 Released: 2020-05-20 
• Deposition Author(s): Li, Z., Li, J.
• Funding Organization(s): Ministry of Science and Technology (MoST, China)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.18 Å
• R-Value Free: 
  0.183 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.176 (Depositor) 

Starting Model: experimental

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 7C82

Literature

C-terminal swapped dimers revealed a new catalytic mechanism of SGNH-hydrolase family esterases

Li, Z., Li, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 21.28 kDa 
• Atom Count: 1,787 
• Modeled Residue Count: 190 
• Deposited Residue Count: 191 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SGNH-hydrolase family esterase	A	191	Altericroceibacterium indicum	Mutation(s): 0
UniProt
Find proteins for A0A4P1LYH5 (Altericroceibacterium indicum) Explore A0A4P1LYH5  Go to UniProtKB:  A0A4P1LYH5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD	B [auth A], C [auth A], D [auth A]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N
ACT	E [auth A], F [auth A], G [auth A], H [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.18 Å
• R-Value Free:  0.183 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.176 (Depositor) 

Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.783	α = 90
b = 79.783	β = 90
c = 61.01	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-05-20 
Deposition Author(s): Li, Z., Li, J.
• This entry supersedes: 6M43

---

Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	2016YFA0500600

Revision History  

• Version 1.0: 2020-05-20
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Database references, Derived calculations, Refinement description