9LIE | pdb_00009lie

Repetitive domain (RP) 2 structure of aciniform spidroin from Latrodectus hesperus

• PDB DOI: https://doi.org/10.2210/pdb9LIE/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Latrodectus hesperus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-01-14 Released: 2025-10-01 
• Deposition Author(s): Yang, R., Qin, R., Yuan, W., Lin, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.06 Å
• R-Value Free: 
  0.218 (Depositor), 0.218 (DCC) 
• R-Value Work: 
  0.205 (Depositor), 0.205 (DCC) 
• R-Value Observed: 
  0.205 (Depositor) 

Starting Model: in silico

Literature

The self-assemble of aciniform spidroin (AcSp) from Latrodectus hesperus

Yang, R., Qin, R., Yuan, W., Lin, Z.

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: 15.28 kDa 
• Atom Count: 1,251 
• Modeled Residue Count: 145 
• Deposited Residue Count: 151 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aciniform spidroin 1	A	151	Latrodectus hesperus	Mutation(s): 0  Gene Names: AcSp1
UniProt
Find proteins for K7YP04 (Latrodectus hesperus) Explore K7YP04  Go to UniProtKB:  K7YP04

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.06 Å
• R-Value Free:  0.218 (Depositor), 0.218 (DCC) 
• R-Value Work:  0.205 (Depositor), 0.205 (DCC) 
• R-Value Observed: 0.205 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.875	α = 90
b = 57.343	β = 90
c = 66.628	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-01 
Deposition Author(s): Yang, R., Qin, R., Yuan, W., Lin, Z.

---

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

Revision History  

• Version 1.0: 2025-10-01
  Type: Initial release