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2IWK

Inhibitor-bound form of nitrous oxide reductase from Achromobacter Cycloclastes at 1.7 Angstrom resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
NITROUS OXIDE REDUCTASEpolymer64270993.12UniProt (P94127)
Pfam (PF18793)
Pfam (PF18764)
ACHROMOBACTER CYCLOCLASTESN(2)OR, N2O REDUCTASE
2C, D, SA, TA
(A, B)
COPPER (II) IONnon-polymer63.54Chemie (CU)
3E, UA
(A, B)
(MU-4-SULFIDO)-TETRA-NUCLEAR COPPER IONnon-polymer286.22Chemie (CUZ)
4AC, BC, CC, DC, F...
(B, A)
IODIDE IONnon-polymer126.915Chemie (IOD)
5AB, BB, CB, DB, EB...
(B, A)
CALCIUM IONnon-polymer40.128Chemie (CA)
6FC, GB, HB, IB, JB...
(B, A)
CHLORIDE IONnon-polymer35.58Chemie (CL)
7AA, BA, CA, DA, EA...
(A, B)
SODIUM IONnon-polymer23.030Chemie (NA)
8LC, MC
(A, B)
waterwater18.0853Chemie (HOH)
Sequence modifications
A, B: -41 - 600 (UniProt: P94127)
PDBExternal DatabaseDetails
Asn 472Lys 514conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight141986.1
Non-Polymers*Number of molecules87
Total formula weight4825.8
All*Total formula weight146811.9
*Water molecules are not included.

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PDB entries from 2025-09-24

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