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5AKR

ATOMIC RESOLUTION STRUCTURE OF NITRITE BOUND STATE OF THE ACHROMOBACTER CYCLOCLASTES CU NITRITE REDUCTASE AT 0.87 A RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0005507molecular_functioncopper ion binding
A0050421molecular_functionnitrite reductase (NO-forming) activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU A 501
ChainResidue
AHIS95
ACYS136
AHIS145
AMET150

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU A 502
ChainResidue
AHIS100
AHIS135
AHIS306
AHOH2698

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT A 505
ChainResidue
AGLY229
AHIS319
ATHR228

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT A 506
ChainResidue
APHE312
AHIS319
AHOH2468
AHOH2471
AHOH2473

site_idAC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MLI A 512
ChainResidue
AALA27
AHIS28
AGLN30
AILE175
AHOH2264
AHOH2481
AHOH2483
AHOH2611

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MLI A 514
ChainResidue
AARG250
AARG250
AASP251
AARG253
AASN307
AGLU310
AHOH2369
AHOH2369

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 515
ChainResidue
APRO158
AARG159
AASP160
AHOH2241
AHOH2246
AHOH2494
AHOH2500
AHOH2524
AHOH2622

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT A 601
ChainResidue
ATHR198
APRO199
AGLY200
AVAL237
AGLY238
AHOH2361
AHOH2685

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBINDING: type 1 copper site
ChainResidueDetails
AHIS95
ACYS136
AHIS145
AMET150

site_idSWS_FT_FI2
Number of Residues3
DetailsBINDING: type 2 copper site
ChainResidueDetails
AHIS100
AHIS135
AHIS306

Catalytic Information from CSA
site_idMCSA1
Number of Residues11
DetailsM-CSA 4
ChainResidueDetails
AHIS95metal ligand
ATHR280electrostatic stabiliser, modifies pKa
AHIS306metal ligand
AASP98activator, hydrogen bond acceptor, proton acceptor, proton donor
AHIS100metal ligand
AHIS135metal ligand, single electron acceptor, single electron donor, single electron relay
ACYS136metal ligand, single electron acceptor, single electron donor, single electron relay
AHIS145metal ligand
AMET150metal ligand
AHIS255hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AGLU279electrostatic stabiliser, modifies pKa

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PDB entries from 2024-07-31

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