1PWB
High resolution crystal structure of an active recombinant fragment of human lung surfactant protein D with maltose
- PDB DOI: https://doi.org/10.2210/pdb1PWB/pdb
- Classification: SIGNALING PROTEIN
- Organism(s): Homo sapiens
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2003-07-01 Released: 2003-08-05 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.40 Å
- R-Value Free: 0.228 
- R-Value Work: 0.205 
- R-Value Observed: 0.205 
This is version 2.2 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
Pulmonary surfactant-associated protein D | 177 | Homo sapiens | Mutation(s): 1  | ||
UniProt & NIH Common Fund Data Resources | |||||
Find proteins for P35247 (Homo sapiens) Explore P35247  Go to UniProtKB:  P35247 | |||||
PHAROS:  P35247 GTEx:  ENSG00000133661  | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P35247 | ||||
Sequence AnnotationsExpand | |||||
|
Oligosaccharides
Small Molecules
Ligands 2 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
GLC Query on GLC | H [auth B], L [auth C] | alpha-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-DVKNGEFBSA-N | |||
CA Query on CA | E [auth A] F [auth A] G [auth A] I [auth B] J [auth B] | CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N |
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2 | |||||
---|---|---|---|---|---|
ID | Chains | Name | Type/Class | 2D Diagram | 3D Interactions |
PRD_900001 Query on PRD_900001 | D | alpha-maltose | Oligosaccharide / Nutrient |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.40 Å
- R-Value Free: 0.228 
- R-Value Work: 0.205 
- R-Value Observed: 0.205 
- Space Group: P 1 21 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 55.48 | α = 90 |
b = 108.3 | β = 91.43 |
c = 55.78 | γ = 90 |
Software Name | Purpose |
---|---|
MOSFLM | data reduction |
SCALA | data scaling |
X-PLOR | model building |
X-PLOR | refinement |
CCP4 | data scaling |
X-PLOR | phasing |
Entry History 
Deposition Data
- Released Date: 2003-08-05  Deposition Author(s): Shrive, A.K., Tharia, H.A., Strong, P., Kishore, U., Burns, I., Rizkallah, P.J., Reid, K.B., Greenhough, T.J.
Revision History (Full details and data files)
- Version 1.0: 2003-08-05
Type: Initial release - Version 1.1: 2008-04-29
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Derived calculations, Structure summary - Version 2.1: 2021-10-27
Changes: Database references, Structure summary - Version 2.2: 2023-08-16
Changes: Data collection, Refinement description