Structure of PDB 2ecq Chain A

Receptor sequence
>2ecqA (length=302) Species: 300852 (Thermus thermophilus HB8) [Search protein sequence]
MRVEGAIGKTPVVRLAKVVEPDMAEVWVKLEGLNPGGSIKDRPAWYMIKD
AEERGILRPGSGQVIVEPTSGNTGIGLAMIAASRGYRLILTMPAQMSEER
KRVLKAFGAELVLTDPERRMLAAREEALRLKEELGAFMPDQFKNPANVRA
HYETTGPELYEALEGRIDAFVYGSGTGGTITGVGRYLKERIPHVKVIAVE
PARSNVLSGGKMGQHGFQGMGPGFIPENLDLSLLDGVIQVWEEDAFPLAR
RLAREEGLFLGMSSGGIVWAALQVARELGPGKRVACISPDGGWKYLSTPL
YA
3D structure
PDB2ecq Crystal Structure of T.th. HB8 O-acetylserine sulfhydrylase Complexed with 3-Hydroxylactate
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the 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
Catalytic site (original residue number in PDB) K40 S70 E200 S204 S263
Catalytic site (residue number reindexed from 1) K40 S70 E200 S204 S263
Enzyme Commision number 2.5.1.47: cysteine synthase.
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 PLP A K40 N72 Y172 G173 G175 T176 T179 G219 S263 P289 K40 N72 Y172 G173 G175 T176 T179 G219 S263 P289
BS02 3HL A K40 G71 T73 Q141 G219 K40 G71 T73 Q141 G219
Gene Ontology
Molecular Function
GO:0004124 cysteine synthase activity
GO:0016740 transferase activity
GO:0016765 transferase activity, transferring alkyl or aryl (other than methyl) groups
GO:0080146 L-cysteine desulfhydrase activity
Biological Process
GO:0006535 cysteine biosynthetic process from serine
GO:0019344 cysteine biosynthetic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:2ecq, PDBe:2ecq, PDBj:2ecq
PDBsum2ecq
PubMed
UniProtQ5SLE6

[Back to BioLiP]