Structure of PDB 6tsi Chain A Binding Site BS02

Receptor Information
>6tsi Chain A (length=540) Species: 208964 (Pseudomonas aeruginosa PAO1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKAAEQYQGAASAVDPAHVVRTNGAPDMSESEFNEAKQIYFQRCAGCHGV
LRKGATGKPLTPDITQQRGQQYLEALITYGTPLGMPNWGSSGELSKEQIT
LMAKYIQHTPPQPPEWGMPEMRESWKVLVKPEDRPKKQLNDLDLPNLFSV
TLRDAGQIALVDGDSKKIVKVIDTGYAVHISRMSASGRYLLVIGRDARID
MIDLWAKEPTKVAEIKIGIEARSVESSKFKGYEDRYTIAGAYWPPQFAIM
DGETLEPKQIVSTRGMTVDTQTYHPEPRVAAIIASHEHPEFIVNVKETGK
VLLVNYKDIDNLTVTSIGAAPFLHDGGWDSSHRYFMTAANNSNKVAVIDS
KDRRLSALVDVGKTPHPGRGANFVHPKYGPVWSTSHLGDGSISLIGTDPK
NHPQYAWKKVAELQGQGGGSLFIKTHPKSSHLYVDTTFNPDARISQSVAV
FDLKNLDAKYQVLPIAEWADLGEGAKRVVQPEYNKRGDEVWFSVWNGKND
SSALVVVDDKTLKLKAVVKDPRLITPTGKFNVYNTQHDVY
Ligand information
Ligand IDDHE
InChIInChI=1S/C34H34N4O10.Fe/c1-15-17(5-7-27(39)40)21-10-22-18(6-8-28(41)42)16(2)20(36-22)11-25-33(3,13-29(43)44)32(48)24(38-25)12-26-34(4,14-30(45)46)31(47)23(37-26)9-19(15)35-21;/h9-12H,5-8,13-14H2,1-4H3,(H6,35,36,37,38,39,40,41,42,43,44,45,46,47,48);/q;+2/p-2/t33-,34-;/m1./s1
InChIKeyXLQCGNUTSJTZNF-YDXXJHAFSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=CC6=[N]7[Fe]3(N45)[N]8=C(C=C7C(C6=O)(C)CC(=O)O)C(=O)C(C8=C2)(C)CC(=O)O)C)CCC(=O)O
OpenEye OEToolkits 2.0.7Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=CC6=[N]7[Fe]3(N45)[N]8=C(C=C7[C@@](C6=O)(C)CC(=O)O)C(=O)[C@](C8=C2)(C)CC(=O)O)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe][N@]2C1=CC5=NC(=CC6=NC(=Cc4c(C)c3CCC(O)=O)[C@@](C)(CC(O)=O)C6=O)[C@@](C)(CC(O)=O)C5=O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe][N]2C1=CC5=NC(=CC6=NC(=Cc4c(C)c3CCC(O)=O)[C](C)(CC(O)=O)C6=O)[C](C)(CC(O)=O)C5=O
FormulaC34 H32 Fe N4 O10
NameHEME D
ChEMBL
DrugBank
ZINC
PDB chain6tsi Chain A Residue 602 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6tsi Structure of heme d 1 -free cd 1 nitrite reductase NirS.
Resolution2.38 Å
Binding residue
(original residue number in PDB)		R156 H182 I183 R198 R225 S226 Y245 A283 A284 H327 R372 F425 W498
Binding residue
(residue number reindexed from 1)		R153 H179 I180 R195 R222 S223 Y242 A280 A281 H324 R369 F422 W495
Annotation score1
Enzymatic activity
Enzyme Commision number 1.7.2.1: nitrite reductase (NO-forming).
1.7.99.1: hydroxylamine reductase.
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0050418 hydroxylamine reductase activity
GO:0050421 nitrite reductase (NO-forming) activity
Cellular Component
GO:0042597 periplasmic space

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:6tsi, PDBe:6tsi, PDBj:6tsi
PDBsum6tsi
PubMed32510465
UniProtP24474|NIRS_PSEAE Nitrite reductase (Gene Name=nirS)

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