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1U3G

Structural and Functional Characterization of a 5,10-Methenyltetrahydrofolate Synthetase from Mycoplasma pneumoniae (GI: 13508087)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0009396biological_processfolic acid-containing compound biosynthetic process
A0016874molecular_functionligase activity
A0030272molecular_function5-formyltetrahydrofolate cyclo-ligase activity
A0035999biological_processtetrahydrofolate interconversion
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE PO4 A 201
ChainResidue
AARG115
ATHF501
AHOH613
AGLY117
APHE118
AGLY119
ALYS120
AGLY121
ATYR122
ATYR123
AADP301

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 401
ChainResidue
ALYS3
AASP124
AASP154
AADP301
AHOH662

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE ADP A 301
ChainResidue
ALYS3
AARG7
AGLY117
APHE118
AGLY119
ALYS120
AGLY121
AASP124
AARG125
AMET128
ATRP153
AASP154
APO4201
AMG401
AHOH613
AHOH662

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE THF A 501
ChainResidue
ATYR49
AGLU50
AILE52
AGLU55
APRO76
APRO105
AARG115
APHE118
ATYR123
APO4201
AHOH608
AHOH670

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsBINDING:
ChainResidueDetails
ALYS3
AARG125
ATRP153

site_idSWS_FT_FI2
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:16104022
ChainResidueDetails
AGLU50
AGLU55
AASP124
AASP154

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: BINDING => ECO:0000305
ChainResidueDetails
AARG115

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 541
ChainResidueDetails
AARG115electrostatic stabiliser, increase electrophilicity
AASP124metal ligand
AASP154metal ligand

218853

PDB entries from 2024-04-24

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