3N94

Crystal structure of human pituitary adenylate cyclase 1 Receptor-short N-terminal extracellular domain

• PDB DOI: https://doi.org/10.2210/pdb3N94/pdb

• Classification: MEMBRANE RECEPTOR
• Organism(s): Escherichia coli K-12, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-05-28 Released: 2011-06-08 
• Deposition Author(s): Kumar, S., Pioszak, A.A., Swaminathan, K., Xu, H.E.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.216 
• R-Value Work: 0.176 
• R-Value Observed: 0.178 

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: 53.18 kDa 
• Atom Count: 3,948 
• Modelled Residue Count: 466 
• Deposited Residue Count: 475 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fusion protein of Maltose-binding periplasmic protein and pituitary adenylate cyclase 1 Receptor-short	A	475	Escherichia coli K-12, Homo sapiens This entity is chimeric	Mutation(s): 0  Gene Names: malE, b4034, JW3994, ADCYAP1R1
UniProt & NIH Common Fund Data Resources
Find proteins for P41586 (Homo sapiens) Explore P41586  Go to UniProtKB:  P41586
PHAROS:  P41586 GTEx:  ENSG00000078549
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
UniProt Groups	P0AEX9P41586

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G07411ON GlyCosmos:  G07411ON

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	B	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.216 
• R-Value Work: 0.176 
• R-Value Observed: 0.178 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.987	α = 90
b = 92.151	β = 90
c = 105.418	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-06-08 
Deposition Author(s): Kumar, S., Pioszak, A.A., Swaminathan, K., Xu, H.E.

Revision History  

• Version 1.0: 2011-06-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-07-26
  Changes: Refinement description, Source and taxonomy
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-09-06
  Changes: Data collection, Database references, Refinement description, Structure summary