Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1AH5

REDUCED FORM SELENOMETHIONINE-LABELLED HYDROXYMETHYLBILANE SYNTHASE DETERMINED BY MAD

Functional Information from GO Data
ChainGOidnamespacecontents
A0004418molecular_functionhydroxymethylbilane synthase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006779biological_processporphyrin-containing compound biosynthetic process
A0006782biological_processprotoporphyrinogen IX biosynthetic process
A0006783biological_processheme biosynthetic process
A0016740molecular_functiontransferase activity
A0018160biological_processpeptidyl-pyrromethane cofactor linkage
A0033014biological_processtetrapyrrole biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE DPM A 314
ChainResidue
ALEU15
ALEU148
AARG155
ALEU169
AALA170
AGLN198
AGLY199
ACYS242
AGLN243
AHOH351
AHOH373
ASER81
AHOH422
AHOH445
AHOH454
ALYS83
AASP84
ATHR127
ASER128
ASER129
AARG131
AARG132

Functional Information from PROSITE/UniProt
site_idPS00533
Number of Residues17
DetailsPORPHOBILINOGEN_DEAM Porphobilinogen deaminase cofactor-binding site. ERaMntrLeGGCqVPIG
ChainResidueDetails
AGLU231-GLY247

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsModified residue: {"description":"S-(dipyrrolylmethanemethyl)cysteine"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 2ypn
ChainResidueDetails
ACYS242
AARG155
AASP84
AARG131
AARG149
AARG132

site_idMCSA1
Number of Residues7
DetailsM-CSA 260
ChainResidueDetails
ALEU95activator, electrostatic stabiliser, hydrogen bond donor
AVAL96hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay
ALEU143activator, electrostatic stabiliser, hydrogen bond donor
AILE144activator, electrostatic stabiliser, hydrogen bond donor
AASN161activator, electrostatic stabiliser
AILE167activator, electrostatic stabiliser
ATRP258covalently attached

246333

PDB entries from 2025-12-17

PDB statisticsPDBj update infoContact PDBjnumon