Structure of PDB 1xjk Chain A

Receptor sequence
>1xjkA (length=624) Species: 2336 (Thermotoga maritima) [Search protein sequence]
MKLSDLISRWIDVEPSKNAQIILRDRYFMKDLDGNYLETKWEDVARRVAR
VVATAELLNPSYKKNEKLDRIKEWEDIFFRVLKARLFIPNSPTLFNAGLG
VKHDLLWKPIDQMTLEDYEEIYRSRNHLHMLSACFVVPVGDSIEEIFEAV
KEYALITKVGGGVGSNFSELRPKGSFVAGTHGKASGPVSFMHVFNSAISV
VKQGSALMGILNINHPDIEEFIDAKKEVLNFFNLSVGFPMDKKEILKLYE
EDGELELSHPRSTIRKKVKIRELFRKIATNAWKSGDPGLAFLGEMNKYYP
LYPHRKINSTNPCGEIGLSDYEACNLGSIDVAKFYNNGFVDLEALQELVQ
IAVRFLDNVIDVNVFPIDKITKAVKESRRLGLGIMGFADLLYKLEIPYNS
QEARDFAANLMAFIALHAHRTSYELGKEKGNFPLLEISRYRTEDNFVPFA
MGMSNYDDEIREVMKMTKEFRRNVALLTIAPTGSISNIADTSSGLEPNFL
LAYTRFVTKDDGTKEPLLYVNQVLREKLNPEILKRIEKELIEKGSLKDIP
DVPEKIKKVFVVALDIDPMDHLLMQDAFQRYVDNNISKTINMPQSATVDD
VLNVYLEALRTNVRGITVYRDGSL
3D structure
PDB1xjk Structural mechanism of allosteric substrate specificity regulation in a ribonucleotide reductase.
ChainA
Resolution2.12 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C134 N320 C322 E324 C333 T626 V627
Catalytic site (residue number reindexed from 1) C134 N311 C313 E315 C324 T617 V618
Enzyme Commision number 1.17.4.1: ribonucleoside-diphosphate reductase.
Interaction with ligand
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004748 ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
GO:0005524 ATP binding
GO:0031419 cobalamin binding
Biological Process
GO:0009263 deoxyribonucleotide biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1xjk, PDBe:1xjk, PDBj:1xjk
PDBsum1xjk
PubMed15475969
UniProtO33839

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