6L6N | pdb_00006l6n

hASIC1a co-crystallized with Nafamostat

• PDB DOI: https://doi.org/10.2210/pdb6L6N/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMD


• Deposited: 2019-10-29 Released: 2021-01-13 
• Deposition Author(s): Lei, F., Jian, S.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.86 Å
• R-Value Free: 
  0.247 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.210 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.212 (Depositor) 

Starting Model: experimental

Literature

hASIC1a co-crystallized with Mamb-1

Lei, F., Jian, S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 156.34 kDa 
• Atom Count: 9,786 
• Modeled Residue Count: 1,209 
• Deposited Residue Count: 1,362 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acid-sensing ion channel 1	A, B, C	454	Homo sapiens	Mutation(s): 0  Gene Names: ASIC1, ACCN2, BNAC2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P78348 (Homo sapiens) Explore P78348  Go to UniProtKB:  P78348
PHAROS:  P78348 GTEx:  ENSG00000110881
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: P78348-2

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDG	D [auth A]	2-acetamido-2-deoxy-alpha-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-PVFLNQBWSA-N
NAG	E [auth A], F [auth B], I [auth C], J [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
EDO	H [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	G [auth B], K [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.86 Å
• R-Value Free:  0.247 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.210 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.212 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.65	α = 90
b = 142.71	β = 90
c = 221.96	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-01-13 
Deposition Author(s): Lei, F., Jian, S.

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

Revision History  

• Version 1.0: 2021-01-13
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-11-13
  Changes: Structure summary