9K1U | pdb_00009k1u

crystal structure of Rtks and Ppka complex

PDB DOI: https://doi.org/10.2210/pdb9K1U/pdb

Classification: SIGNALING PROTEIN
Organism(s): Serratia marcescens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-10-16 Released: 2025-10-22
Deposition Author(s): Xu, M., Ran, T., Wang, W.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.79 Å
R-Value Free:
0.243 (Depositor), 0.233 (DCC)
R-Value Work:
0.199 (Depositor), 0.215 (DCC)
R-Value Observed:
0.201 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

crystal structure of Rtks and Ppka complex

Xu, M., Ran, T., Wang, W.

To be published.

Macromolecule Content

Total Structure Weight: 68.77 kDa
Atom Count: 4,111
Modeled Residue Count: 524
Deposited Residue Count: 632
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Type VI secretion system-associated protein	A [auth C], C [auth A]	227	Serratia marcescens	Mutation(s): 0 Gene Names: DMW43_01670, I8391_000023

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine protein kinase	B [auth D], D [auth B]	89	Serratia marcescens	Mutation(s): 0 Gene Names: C3R40_03310
UniProt
Find proteins for A0AAP8TYK6 (Serratia marcescens) Explore A0AAP8TYK6 Go to UniProtKB: A0AAP8TYK6
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AAP8TYK6
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.79 Å
R-Value Free: 0.243 (Depositor), 0.233 (DCC)
R-Value Work: 0.199 (Depositor), 0.215 (DCC)
R-Value Observed: 0.201 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.552	α = 90
b = 107.459	β = 107.91
c = 54.322	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-10-22

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31770074

Revision History (Full details and data files)

Version 1.0: 2025-10-22
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.