Crystal structure of PA0091 VgrG1, the central spike of the Type VI Secretion System

Experimental Data Snapshot

  • Resolution: 3.32 Å
  • R-Value Free: 0.195 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.175 

wwPDB Validation   3D Report Full Report

This is version 1.2 of the entry. See complete history


The conserved architecture of the T6SS central spike complex

Sycheva, L.V.Shneider, M.M.Basler, M.Ho, B.T.Mekalanos, J.J.Leiman, P.G.

To be published.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
A, B, C, D, E
A, B, C, D, E, F
643Pseudomonas aeruginosa PAO1Mutation(s): 0 
Gene Names: PA0091vgrG1
Find proteins for Q9I741 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q9I741 
Go to UniProtKB:  Q9I741
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9I741
Sequence Annotations
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
Query on TAM

Download Ideal Coordinates CCD File 
CB [auth A],
CG [auth D]
C7 H17 N O3
Query on SO4

Download Ideal Coordinates CCD File 
AA [auth A]
AB [auth A]
AC [auth B]
AD [auth B]
AE [auth C]
AA [auth A],
AB [auth A],
AC [auth B],
AD [auth B],
AE [auth C],
AF [auth D],
AG [auth D],
AH [auth E],
AI [auth F],
AJ [auth F],
BA [auth A],
BB [auth A],
BC [auth B],
BD [auth B],
BE [auth C],
BF [auth D],
BG [auth D],
BH [auth E],
BI [auth F],
BJ [auth F],
CA [auth A],
CC [auth B],
CD [auth C],
CE [auth C],
CF [auth D],
CH [auth E],
CI [auth F],
CJ [auth F],
DA [auth A],
DB [auth A],
DC [auth B],
DD [auth C],
DE [auth C],
DF [auth D],
DG [auth D],
DH [auth E],
DI [auth F],
DJ [auth F],
EA [auth A],
EB [auth B],
EC [auth B],
ED [auth C],
EE [auth C],
EF [auth D],
EG [auth E],
EH [auth E],
EI [auth F],
FA [auth A],
FB [auth B],
FC [auth B],
FD [auth C],
FE [auth C],
FF [auth D],
FG [auth E],
FH [auth E],
FI [auth F],
G [auth A],
GA [auth A],
GB [auth B],
GC [auth B],
GD [auth C],
GE [auth C],
GF [auth D],
GG [auth E],
GH [auth E],
GI [auth F],
H [auth A],
HA [auth A],
HB [auth B],
HC [auth B],
HD [auth C],
HE [auth C],
HF [auth D],
HG [auth E],
HH [auth E],
HI [auth F],
I [auth A],
IA [auth A],
IB [auth B],
IC [auth B],
ID [auth C],
IE [auth C],
IF [auth D],
IG [auth E],
IH [auth E],
II [auth F],
J [auth A],
JA [auth A],
JB [auth B],
JC [auth B],
JD [auth C],
JE [auth C],
JF [auth D],
JG [auth E],
JH [auth E],
JI [auth F],
K [auth A],
KA [auth A],
KB [auth B],
KC [auth B],
KD [auth C],
KE [auth C],
KF [auth D],
KG [auth E],
KH [auth E],
KI [auth F],
L [auth A],
LA [auth A],
LB [auth B],
LC [auth B],
LD [auth C],
LE [auth C],
LF [auth D],
LG [auth E],
LH [auth E],
LI [auth F],
M [auth A],
MA [auth A],
MB [auth B],
MC [auth B],
MD [auth C],
ME [auth C],
MF [auth D],
MG [auth E],
MH [auth F],
MI [auth F],
N [auth A],
NA [auth A],
NB [auth B],
NC [auth B],
ND [auth C],
NE [auth C],
NF [auth D],
NG [auth E],
NH [auth F],
NI [auth F],
O [auth A],
OA [auth A],
OB [auth B],
OC [auth B],
OD [auth C],
OE [auth C],
OF [auth D],
OG [auth E],
OH [auth F],
OI [auth F],
P [auth A],
PA [auth A],
PB [auth B],
PC [auth B],
PD [auth C],
PE [auth C],
PF [auth D],
PG [auth E],
PH [auth F],
PI [auth F],
Q [auth A],
QA [auth A],
QB [auth B],
QC [auth B],
QD [auth C],
QE [auth C],
QF [auth D],
QG [auth E],
QH [auth F],
QI [auth F],
R [auth A],
RA [auth A],
RB [auth B],
RC [auth B],
RD [auth C],
RE [auth C],
RF [auth D],
RG [auth E],
RH [auth F],
RI [auth F],
S [auth A],
SA [auth A],
SB [auth B],
SC [auth B],
SD [auth C],
SE [auth C],
SF [auth D],
SG [auth E],
SH [auth F],
SI [auth F],
T [auth A],
TA [auth A],
TB [auth B],
TC [auth B],
TD [auth C],
TE [auth C],
TF [auth D],
TG [auth E],
TH [auth F],
TI [auth F],
U [auth A],
UA [auth A],
UB [auth B],
UC [auth B],
UD [auth C],
UE [auth D],
UF [auth D],
UG [auth E],
UH [auth F],
UI [auth F],
V [auth A],
VA [auth A],
VB [auth B],
VC [auth B],
VD [auth C],
VE [auth D],
VF [auth D],
VG [auth E],
VH [auth F],
VI [auth F],
W [auth A],
WA [auth A],
WB [auth B],
WC [auth B],
WD [auth C],
WE [auth D],
WF [auth D],
WG [auth E],
WH [auth F],
WI [auth F],
X [auth A],
XA [auth A],
XB [auth B],
XC [auth B],
XD [auth C],
XE [auth D],
XF [auth D],
XG [auth E],
XH [auth F],
XI [auth F],
Y [auth A],
YA [auth A],
YB [auth B],
YC [auth B],
YD [auth C],
YE [auth D],
YF [auth D],
YG [auth E],
YH [auth F],
YI [auth F],
Z [auth A],
ZA [auth A],
ZB [auth B],
ZC [auth B],
ZD [auth C],
ZE [auth D],
ZF [auth D],
ZG [auth E],
ZH [auth F],
ZI [auth F]
O4 S
Experimental Data & Validation

Experimental Data

Unit Cell:
Length ( Å )Angle ( ˚ )
a = 168.275α = 90
b = 168.275β = 90
c = 652.849γ = 120
Software Package:
Software NamePurpose
RESOLVEmodel building
XDSdata reduction
XDSdata scaling

Structure Validation

View Full Validation Report

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-10-01
    Type: Initial release
  • Version 1.1: 2017-11-15
    Changes: Refinement description
  • Version 1.2: 2023-09-20
    Changes: Data collection, Database references, Derived calculations, Refinement description