Structure of PDB 1s56 Chain A

Receptor sequence
>1s56A (length=128) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence]
GLLSRLRKREPISIYDKIGGHEAIEVVVEDFYVRVLADDQLSAFFSGTNM
SRLKGKQVEFFAAALGGPEPYTGAPMKQVHQGRGITMHHFSLVAGHLADA
LTAAGVPSETITEILGVIAPLAVDVTSG
3D structure
PDB1s56 Heme-ligand tunneling in group I truncated hemoglobins
ChainA
Resolution2.43 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 HEC A F45 F46 T49 L54 Q58 F61 Y72 G74 A75 M77 V80 H81 R84 I86 F91 V94 V126 F44 F45 T48 L53 Q57 F60 Y71 G73 A74 M76 V79 H80 R83 I85 F90 V93 V125
BS02 XE A V28 F62 V27 F61
BS03 XE A F32 F62 F31 F61
BS04 XE A F32 Q58 F62 L98 F31 Q57 F61 L97
Gene Ontology
Molecular Function
GO:0005344 oxygen carrier activity
GO:0005515 protein binding
GO:0008379 thioredoxin peroxidase activity
GO:0008941 nitric oxide dioxygenase NAD(P)H activity
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
GO:0034599 cellular response to oxidative stress
GO:0045454 cell redox homeostasis
GO:0046210 nitric oxide catabolic process
GO:0051410 detoxification of nitrogen compound
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1s56, PDBe:1s56, PDBj:1s56
PDBsum1s56
PubMed15016811
UniProtP9WN25|TRHBN_MYCTU Group 1 truncated hemoglobin GlbN (Gene Name=glbN)

[Back to BioLiP]