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RCSB PDB - 3N0P: A mutant human Prolactin receptor antagonist H30A in complex with the extracellular domain of the human prolactin receptor

157145 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education

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Asymmetric Unit

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Global Symmetry: Asymmetric - C1&nbsp
Global Stoichiometry: Hetero 2-mer -&nbspAB&nbsp Biological Assembly 1 &nbsp

&nbsp3D View:&nbspStructure | Electron Density | Ligand Interaction


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Global Symmetry: Asymmetric - C1&nbsp
Global Stoichiometry: Hetero 2-mer -&nbspAB&nbsp

Biological assembly 1&nbspassigned by authors and generated by PISA (software)

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Macromolecule Content

  • Total Structure Weight: 46275.07&nbsp
  • Atom Count: 3250&nbsp
  • Residue Count: 396&nbsp
  • Unique protein chains: 2

3N0P

A mutant human Prolactin receptor antagonist H30A in complex with the extracellular domain of the human prolactin receptor


Experimental Data Snapshot

  • Method:&nbspX-RAY DIFFRACTION
  • Resolution:&nbsp2.1&nbspÅ
  • R-Value Free:&nbsp0.224&nbsp
  • R-Value Work:&nbsp0.180&nbsp

wwPDB Validation&nbsp3D Report&nbspFull Report


This is version 1.1 of the entry. See complete&nbsphistory.&nbsp
Literature

Two Independent Histidines, One in Human Prolactin and One in Its Receptor, Are Critical for pH-dependent Receptor Recognition and Activation.

Kulkarni, M.V.,&nbspTettamanzi, M.C.,&nbspMurphy, J.W.,&nbspKeeler, C.,&nbspMyszka, D.G.,&nbspChayen, N.E.,&nbspLolis, E.J.,&nbspHodsdon, M.E.

(2010) J.Biol.Chem.&nbsp285: 38524-38533

  • PubMed:&nbsp20889499&nbspSearch on PubMedSearch on PubMed Central
  • DOI:&nbsp10.1074/jbc.M110.172072
  • Primary Citation of Related Structures: &nbsp3NCF, 3NCE, 3NCC, 3NCB, 3N06, 3MZG

  • PubMed Abstract:&nbsp
  • Human prolactin (hPRL), a member of the family of hematopoietic cytokines, functions as both an endocrine hormone and autocrine/paracrine growth factor. We have previously demonstrated that recognition of the hPRL·receptor depends strongly on solutio ...

    Human prolactin (hPRL), a member of the family of hematopoietic cytokines, functions as both an endocrine hormone and autocrine/paracrine growth factor. We have previously demonstrated that recognition of the hPRL·receptor depends strongly on solution acidity over the physiologic range from pH 6 to pH 8. The hPRL·receptor binding interface contains four histidines whose protonation is hypothesized to regulate pH-dependent receptor recognition. Here, we systematically dissect its molecular origin by characterizing the consequences of His to Ala mutations on pH-dependent receptor binding kinetics, site-specific histidine protonation, and high resolution structures of the intermolecular interface. Thermodynamic modeling of the pH dependence to receptor binding affinity reveals large changes in site-specific protonation constants for a majority of interface histidines upon complexation. Removal of individual His imidazoles reduces these perturbations in protonation constants, which is most likely explained by the introduction of solvent-filled, buried cavities in the crystallographic structures without inducing significant conformational rearrangements.


    Organizational Affiliation:&nbsp

    Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut 06520, USA.




Macromolecules

Find similar proteins by:&nbspSequence&nbsp | &nbspStructure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails Prolactin A 186 Homo sapiens Mutation(s): 2&nbsp
Gene Names: PRL
Find proteins for&nbspP01236&nbsp(Homo sapiens) Go to Gene View:&nbspPRL Go to UniProtKB: &nbspP01236
  • Protein Feature View
Full Protein Feature View for&nbspP01236
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails Prolactin receptor B 210 Homo sapiens Mutation(s): 0&nbsp
Gene Names: PRLR
Find proteins for&nbspP16471&nbsp(Homo sapiens) Go to Gene View:&nbspPRLR Go to UniProtKB: &nbspP16471
  • Protein Feature View
Full Protein Feature View for&nbspP16471 Small Molecules Ligands&nbsp2 Unique IDChainsName / Formula / InChI Key2D Diagram & Interactions3D Interactions NA
Query on NA

Download SDF File&nbsp
Download CCD File&nbsp B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N &nbspLigand Interaction CL
Query on CL

Download SDF File&nbsp
Download CCD File&nbsp B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M &nbspLigand Interaction Experimental Data & Validation

Experimental Data

  • Method:&nbspX-RAY DIFFRACTION
  • Resolution:&nbsp2.1&nbspÅ
  • R-Value Free:&nbsp0.224&nbsp
  • R-Value Work:&nbsp0.180&nbsp
  • Space Group:&nbspP 65
Unit Cell:Length (Å)Angle (°)a = 123.540 α = 90.00 b = 123.540 β = 90.00 c = 73.330 γ = 120.00 Software Package:Software NamePurposePHASER phasing SCALA data scaling PDB_EXTRACT data extraction MOSFLM data reduction REFMAC refinement

Structure Validation

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Entry History&nbsp

Deposition Data

Revision History&nbsp

  • Version 1.0: 2010-09-29
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance

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RCSB PDB is funded by the National Science Foundation (DBI-1832184), the National Institutes of Health, and the US Department of Energy (DE-SC0019749).