Structure of PDB 2a3p Chain A

Receptor sequence

>2a3pA (length=107) Species: 207559 (Oleidesulfovibrio alaskensis G20) [Search protein sequence]

AEAPADGLKMENTKMPVIFNHSSHSSYQCADCHHPVDGKENLAKCATAGC
HDVFDKKDKSVHSYYKIIHDRKATTVATCMSCHLEAAGSDKDLKKELTGC
KKSKCHP

3D structure

PDB

2a3p Desulfovibrio desulfuricans G20 Tetraheme Cytochrome Structure at 1.5A and Cytochrome Interaction with Metal Complexes

Chain

Resolution

2.3 Å

3D
structure

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)
BS01	HEC	A	A1 E2 P4 L8 M10 F19 H21 H24 C29 C32 H33 K44	A1 E2 P4 L8 M10 F19 H21 H24 C29 C32 H33 K44
BS02	HEC	A	H34 N41 A43 C45 C50 H51 V61 K66 I67 V76	H34 N41 A43 C45 C50 H51 V61 K66 I67 V76
BS03	HEC	A	N20 S23 H24 Y27 C79 C82 H83 K104 C105	N20 S23 H24 Y27 C79 C82 H83 K104 C105
BS04	HEC	A	M10 E11 N12 T13 V17 K56 Y64 Y65 I68 H69 M80 H83 T98 G99 C100 C105 H106	M10 E11 N12 T13 V17 K56 Y64 Y65 I68 H69 M80 H83 T98 G99 C100 C105 H106
BS05	MOO	A	T13 K14 K56	T13 K14 K56

Gene Ontology

	Molecular Function
GO:0009055	electron transfer activity
GO:0020037	heme binding

External links