spacer

NI 538 L

Metal-MACiE entry for NI 538 L

The enzyme is a heterodimeric protein consisting of small and large subunits. The large subunit provides the catalytic site which is dinuclear, containing both Ni and Fe (PMID11703120).


Metal in MACiE Physiological Metal Site Type
nickel nickel dinuclear

Resting State

nativeState of NI 538 L
Download the coordinates file
Representative Structure
PDB code 2frv
MACiE Metal Type
(Identity)
nickel
(NI538L)
PDB Metal Type (Identity) nickel
(NI538L)
Oxidation State 2
Coordination Geometry
(Number of ligands)
squarePyramidal
(5)

There is a lack of information on the resting state of the enzyme and the oxidation states of the resting metals. This is an oxidized structure.


First Coordination Sphere

Ligand Type Ligand (PDB) Ligand (MACiE) Catalytic Binding Mode Contacting Atoms
Amino Acid Residue CYS 65 LCYS 65 L No monodentate SG
Amino Acid Residue CYS 68 LCYS 68 L No monodentate SG
Amino Acid Residue CYS 530 LCYS 530 L Yes monodentate SG
Note: Cys530 is involved in proton relay
Amino Acid Residue CYS 533 LCYS 533 L No monodentate SG
Cofactor O 539 LO 539 L No monodentate O

Step 01

Metal Functions

One Electron Donor. Note: It donates an electron to FS4_267

Substrate Binding

Structural Information


MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 2
Coordination Geometry
(Number of ligands)
squarePyramidal
(5)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.





Right Arrow
MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
squarePyramidal
(5)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.


Step 02

Metal Functions

Substrate Binding

Structural Information


MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.





Right Arrow
MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.


Step 03

Metal Functions

Substrate Binding

Structural Information


MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.





Right Arrow
MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.


Step 04

Metal Functions

Two Electron Acceptor

Structural Information


MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 3
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.





Right Arrow
MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 1
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.


Step 05

Metal Functions

One Electron Donor. Note: It donors an electron to SF4_267

Structural Information


MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 1
Coordination Geometry
(Number of ligands)
unknownGeometry
(9999)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.





Right Arrow
MACiE Metal Type
(Identity)
nickel
(NI538L)
Oxidation State 2
Coordination Geometry
(Number of ligands)
squarePyramidal
(5)

This step has no available structures in the PDB: all the coordinating information are derived from the reaction model in MACiE.



spacer
spacer