3HR4

Human iNOS Reductase and Calmodulin Complex

PDB DOI: https://doi.org/10.2210/pdb3HR4/pdb

Classification: Oxidoreductase/METAL BINDING PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2009-06-08 Released: 2009-09-08
Deposition Author(s): Xia, C., Misra, I., Iyanaki, T., Kim, J.J.K.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free: 0.309
R-Value Work: 0.237
R-Value Observed: 0.237

Starting Models: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.4 of the entry. See complete history.

Literature

Regulation of Interdomain Interactions by CaM in Inducible Nitric Oxide Synthase

Xia, C., Misra, I., Iyanaki, T., Kim, J.J.K.

(2009) J Biol Chem

Macromolecule Content

Total Structure Weight: 170.06 kDa
Atom Count: 10,594
Modelled Residue Count: 1,333
Deposited Residue Count: 1,472
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitric oxide synthase, inducible	A, C, E, G	219	Homo sapiens	Mutation(s): 0 Gene Names: Calmodulin, Inducible Nitric Oxide Synthase, NOS2, NOS2A EC: 1.14.13.39
UniProt & NIH Common Fund Data Resources
Find proteins for P35228 (Homo sapiens) Explore P35228 Go to UniProtKB: P35228
PHAROS: P35228 GTEx: ENSG00000007171
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P35228
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin	B, D, F, H	149	Homo sapiens	Mutation(s): 0 Gene Names: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, CAM3... CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, CAM3, CAMC, CAMIII
UniProt & NIH Common Fund Data Resources
Find proteins for P0DP23 (Homo sapiens) Explore P0DP23 Go to UniProtKB: P0DP23
PHAROS: P0DP23 GTEx: ENSG00000198668
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0DP23
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FMN Query on FMN Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain N [auth C] SDF format, chain S [auth E] SDF format, chain X [auth G] MOL2 format, chain I [auth A] MOL2 format, chain N [auth C] MOL2 format, chain S [auth E] MOL2 format, chain X [auth G] mmCIF format, chain I [auth A] mmCIF format, chain N [auth C] mmCIF format, chain S [auth E] mmCIF format, chain X [auth G]	I [auth A], N [auth C], S [auth E], X [auth G]	FLAVIN MONONUCLEOTIDE C₁₇ H₂₁ N₄ O₉ P FVTCRASFADXXNN-SCRDCRAPSA-N		Interactions Focus chain I [auth A] Focus chain N [auth C] Focus chain S [auth E] Focus chain X [auth G]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain AA [auth H] SDF format, chain BA [auth H] SDF format, chain J [auth B] SDF format, chain K [auth B] SDF format, chain L [auth B] SDF format, chain M [auth B] SDF format, chain O [auth D] SDF format, chain P [auth D] SDF format, chain R [auth D] SDF format, chain T [auth F] SDF format, chain U [auth F] SDF format, chain V [auth F] SDF format, chain W [auth F] SDF format, chain Y [auth H] SDF format, chain Q [auth D] SDF format, chain Z [auth H] MOL2 format, chain AA [auth H] MOL2 format, chain BA [auth H] MOL2 format, chain J [auth B] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain O [auth D] MOL2 format, chain P [auth D] MOL2 format, chain R [auth D] MOL2 format, chain T [auth F] MOL2 format, chain U [auth F] MOL2 format, chain V [auth F] MOL2 format, chain W [auth F] MOL2 format, chain Y [auth H] MOL2 format, chain Q [auth D] MOL2 format, chain Z [auth H] mmCIF format, chain AA [auth H] mmCIF format, chain BA [auth H] mmCIF format, chain J [auth B] mmCIF format, chain K [auth B] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B] mmCIF format, chain O [auth D] mmCIF format, chain P [auth D] mmCIF format, chain R [auth D] mmCIF format, chain T [auth F] mmCIF format, chain U [auth F] mmCIF format, chain V [auth F] mmCIF format, chain W [auth F] mmCIF format, chain Y [auth H] mmCIF format, chain Q [auth D] mmCIF format, chain Z [auth H]	AA [auth H] BA [auth H] J [auth B] K [auth B] L [auth B] AA [auth H], BA [auth H], J [auth B], K [auth B], L [auth B], M [auth B], O [auth D], P [auth D], Q [auth D], R [auth D], T [auth F], U [auth F], V [auth F], W [auth F], Y [auth H], Z [auth H]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain AA [auth H] Focus chain BA [auth H] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Focus chain O [auth D] Focus chain P [auth D] Focus chain Q [auth D] Focus chain R [auth D] Focus chain T [auth F] Focus chain U [auth F] Focus chain V [auth F] Focus chain W [auth F] Focus chain Y [auth H] Focus chain Z [auth H]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free: 0.309
R-Value Work: 0.237
R-Value Observed: 0.237
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.6	α = 90
b = 160.84	β = 90.37
c = 127.77	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2009-09-08

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2009-09-08
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2012-09-05
Changes: Derived calculations
Version 1.3: 2018-03-07
Changes: Data collection
Version 1.4: 2023-09-06
Changes: Data collection, Database references, Derived calculations, Refinement description