1MWQ

Structure of HI0828, a Hypothetical Protein from Haemophilus influenzae with a Putative Active-Site Phosphohistidine

PDB DOI: https://doi.org/10.2210/pdb1MWQ/pdb

Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Organism(s): Haemophilus influenzae
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2002-09-30 Released: 2003-11-25
Deposition Author(s): Willis, M.A., Krajewski, W., Chalamasetty, V.R., Reddy, P., Howard, A., Herzberg, O., Structure 2 Function Project (S2F)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 0.99 Å
R-Value Free:
0.132 (Depositor), 0.123 (DCC)
R-Value Work:
0.108 (Depositor), 0.111 (DCC)
R-Value Observed:
0.109 (Depositor)

wwPDB Validation 3D Report Full Report

This is version 1.5 of the entry. See complete history.

Literature

Structure of YciI from Haemophilus influenzae (HI0828) reveals a ferredoxin-like alpha/beta-fold with a histidine/aspartate centered catalytic site

Willis, M.A., Song, F., Zhuang, Z., Krajewski, W., Chalamasetty, V.R., Reddy, P., Howard, A., Dunaway-Mariano, D., Herzberg, O.

(2005) Proteins 59: 648-652

PubMed: 15779043 Search on PubMed
DOI: https://doi.org/10.1002/prot.20411
Primary Citation of Related Structures:
1MWQ

Organizational Affiliation

Center for Advanced Research in Biotechnology, University of Maryland Biotechnology Institute, Rockville, Maryland 20850, USA.

Macromolecule Content

Total Structure Weight: 23.57 kDa
Atom Count: 2,076
Modelled Residue Count: 200
Deposited Residue Count: 202
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HYPOTHETICAL PROTEIN HI0828	A, B	101	Haemophilus influenzae	Mutation(s): 0
UniProt
Find proteins for P44887 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P44887 Go to UniProtKB: P44887
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P44887
Sequence Annotations Expand
Reference Sequence LOADING

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
1PE Query on 1PE Download Ideal Coordinates CCD File SDF format, chain I [auth A] MOL2 format, chain I [auth A] mmCIF format, chain I [auth A]	I [auth A]	PENTAETHYLENE GLYCOL C₁₀ H₂₂ O₆ JLFNLZLINWHATN-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Interactions & Density Focus chain I [auth A]
CAC Query on CAC Download Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A] mmCIF format, chain H [auth A]	H [auth A]	CACODYLATE ION C₂ H₆ As O₂ OGGXGZAMXPVRFZ-UHFFFAOYSA-M		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]
PEG Query on PEG Download Ideal Coordinates CCD File SDF format, chain O [auth B] MOL2 format, chain O [auth B] mmCIF format, chain O [auth B]	O [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain O [auth B] Interactions & Density Focus chain O [auth B]
ZN Query on ZN Download Ideal Coordinates CCD File SDF format, chain K [auth B] SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain J [auth B] MOL2 format, chain K [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain J [auth B] mmCIF format, chain K [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain J [auth B]	C [auth A], D [auth A], J [auth B], K [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain J [auth B] Focus chain K [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain J [auth B] Focus chain K [auth B]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain N [auth B] SDF format, chain E [auth A] SDF format, chain G [auth A] SDF format, chain L [auth B] SDF format, chain M [auth B] MOL2 format, chain F [auth A] MOL2 format, chain N [auth B] MOL2 format, chain E [auth A] MOL2 format, chain G [auth A] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] mmCIF format, chain F [auth A] mmCIF format, chain N [auth B] mmCIF format, chain E [auth A] mmCIF format, chain G [auth A] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B]	E [auth A] F [auth A] G [auth A] L [auth B] M [auth B] E [auth A], F [auth A], G [auth A], L [auth B], M [auth B], N [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B] Interactions & Density Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE Query on MSE	A, B	L-PEPTIDE LINKING	C₅ H₁₁ N O₂ Se		MET

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 0.99 Å
R-Value Free: 0.132 (Depositor), 0.123 (DCC)
R-Value Work: 0.108 (Depositor), 0.111 (DCC)
R-Value Observed: 0.109 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.476	α = 90
b = 63.317	β = 90
c = 75.465	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
XPREP	data reduction
SOLVE	phasing
RESOLVE	model building
CNS	refinement
SHELX	model building
DENZO	data reduction
RESOLVE	phasing
CNS	phasing
SHELX	phasing

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2003-11-25

Deposition Author(s):

Structure 2 Function Project (S2F)

Revision History (Full details and data files)

Version 1.0: 2003-11-25
Type: Initial release
Version 1.1: 2008-04-28
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Non-polymer description, Version format compliance
Version 1.3: 2017-10-25
Changes: Author supporting evidence
Version 1.4: 2019-07-24
Changes: Data collection, Derived calculations, Refinement description
Version 1.5: 2024-11-06
Changes: Data collection, Database references, Derived calculations, Structure summary