1U18

1.96 A Crystal structure of H60C mutant of nitrophorin complexed with histamine

PDB DOI: https://doi.org/10.2210/pdb1U18/pdb

Classification: SIGNALING PROTEIN
Organism(s): Rhodnius prolixus
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2004-07-15 Released: 2005-07-26
Deposition Author(s): Vetter, S.W., Goodin, D.B.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.96 Å
R-Value Free: 0.226
R-Value Work: 0.185
R-Value Observed: 0.187

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Ligand Structure Quality Assessment

This is version 1.3 of the entry. See complete history.

Literature

1.96 A Crystal structure of H60C mutant of nitrophorin complexed with histamine

Vetter, S.W., Goodin, D.B.

To be published.

Macromolecule Content

Total Structure Weight: 42.86 kDa
Atom Count: 3,200
Modelled Residue Count: 368
Deposited Residue Count: 370
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitrophorin 1	A, B	185	Rhodnius prolixus	Mutation(s): 0
UniProt
Find proteins for Q26239 (Rhodnius prolixus) Explore Q26239 Go to UniProtKB: Q26239
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q26239
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain G [auth B] MOL2 format, chain D [auth A] MOL2 format, chain G [auth B]	D [auth A], G [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain D [auth A] Focus chain G [auth B] Interactions & Density Focus chain D [auth A] Focus chain G [auth B]
HSM Query on HSM Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain H [auth B] MOL2 format, chain E [auth A] MOL2 format, chain H [auth B]	E [auth A], H [auth B]	HISTAMINE C₅ H₉ N₃ NTYJJOPFIAHURM-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain H [auth B] Interactions & Density Focus chain E [auth A] Focus chain H [auth B]
PO4 Query on PO4 Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain F [auth B] MOL2 format, chain C [auth A] MOL2 format, chain F [auth B]	C [auth A], F [auth B]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain C [auth A] Focus chain F [auth B] Interactions & Density Focus chain C [auth A] Focus chain F [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.96 Å
R-Value Free: 0.226
R-Value Work: 0.185
R-Value Observed: 0.187
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.82	α = 90
b = 73.85	β = 98.57
c = 65.38	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
d*TREK	data scaling
CNS	phasing

Structure Validation

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Entry History

Deposition Data

Released Date: 2005-07-26

Deposition Author(s):

Vetter, S.W.

Goodin, D.B.

Revision History (Full details and data files)

Version 1.0: 2005-07-26
Type: Initial release
Version 1.1: 2008-04-30
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2023-08-23
Changes: Data collection, Database references, Derived calculations, Refinement description

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1U18

1.96 A Crystal structure of H60C mutant of nitrophorin complexed with histamine

1.96 A Crystal structure of H60C mutant of nitrophorin complexed with histamine

Entity ID: 1

UniProt

Entity Groups

Sequence Annotations

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Experimental Data

Structure Validation

Ligand Structure Quality Assessment

Deposition Data

Revision History (Full details and data files)