7MCI | pdb_00007mci

MoFe protein from Azotobacter vinelandii with a sulfur-replenished cofactor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 
    0.195 (Depositor), 0.194 (DCC) 
  • R-Value Work: 
    0.172 (Depositor), 0.171 (DCC) 
  • R-Value Observed: 
    0.173 (Depositor) 

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 7MCI

Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Evidence of substrate binding and product release via belt-sulfur mobilization of the nitrogenase cofactor

Lee, C.C.Kang, W.Jasniewski, A.J.Stiebritz, M.T.Tanifuji, K.Ribbe, M.W.Hu, Y.

(2022) Nat Catal 5: 443-454

Macromolecule Content 

  • Total Structure Weight: 234.86 kDa 
  • Atom Count: 17,333 
  • Modeled Residue Count: 1,998 
  • Deposited Residue Count: 2,030 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Nitrogenase molybdenum-iron protein alpha chain
A, C
492Azotobacter vinelandii DJMutation(s): 0 
EC: 1.18.6.1
UniProt
Find proteins for P07328 (Azotobacter vinelandii)
Explore P07328 
Go to UniProtKB:  P07328
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP07328
Sequence Annotations
Expand
Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Nitrogenase molybdenum-iron protein beta chain
B, D
523Azotobacter vinelandii DJMutation(s): 0 
EC: 1.18.6.1
UniProt
Find proteins for P07329 (Azotobacter vinelandii)
Explore P07329 
Go to UniProtKB:  P07329
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP07329
Sequence Annotations
Expand
Reference Sequence

Small Molecules

Ligands 7 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ICS
(Subject of Investigation/LOI)

Query on ICS



Download:Ideal Coordinates CCD File
F [auth A],
S [auth C]
iron-sulfur-molybdenum cluster with interstitial carbon
C Fe7 Mo S9
DDQFAOMIVKLFON-UHFFFAOYSA-N
CLF
(Subject of Investigation/LOI)

Query on CLF



Download:Ideal Coordinates CCD File
K [auth B],
T [auth C]
FE(8)-S(7) CLUSTER
Fe8 S7
JKVMXLBGZBULKV-UHFFFAOYSA-N
HCA
(Subject of Investigation/LOI)

Query on HCA



Download:Ideal Coordinates CCD File
E [auth A],
R [auth C]
3-HYDROXY-3-CARBOXY-ADIPIC ACID
C7 H10 O7
XKJVEVRQMLKSMO-SSDOTTSWSA-N
MO

Query on MO



Download:Ideal Coordinates CCD File
H [auth A]
I [auth A]
J [auth A]
V [auth C]
W [auth C]
H [auth A],
I [auth A],
J [auth A],
V [auth C],
W [auth C],
X [auth C]
MOLYBDENUM ATOM
Mo
ZOKXTWBITQBERF-UHFFFAOYSA-N
GOL

Query on GOL



Download:Ideal Coordinates CCD File
AA [auth D]
BA [auth D]
CA [auth D]
DA [auth D]
EA [auth D]
AA [auth D],
BA [auth D],
CA [auth D],
DA [auth D],
EA [auth D],
L [auth B],
M [auth B],
N [auth B],
O [auth B],
P [auth B],
Z [auth D]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA

Query on CA



Download:Ideal Coordinates CCD File
Q [auth B],
Y [auth D]
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
H2S

Query on H2S



Download:Ideal Coordinates CCD File
G [auth A],
U [auth C]
HYDROSULFURIC ACID
H2 S
RWSOTUBLDIXVET-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free:  0.195 (Depositor), 0.194 (DCC) 
  • R-Value Work:  0.172 (Depositor), 0.171 (DCC) 
  • R-Value Observed: 0.173 (Depositor) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 166.834α = 90
b = 73.995β = 103.051
c = 208.766γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM67626
Department of Energy (DOE, United States)United StatesDE-SC0016510

Revision History  (Full details and data files)

  • Version 1.0: 2022-05-18
    Type: Initial release
  • Version 1.1: 2022-06-08
    Changes: Database references
  • Version 1.2: 2023-10-18
    Changes: Data collection, Refinement description