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Information on SUBCLASS 4.57.1
Subclass Accession number: 7424
Subclass: 4.57.1 PSSM
Type: EH beta-alpha
DB: ArchDB-EC

Image coordinates: Rasmol PDB Jmol PDB
Consensus coordinates: Rasmol PDB Jmol PDB
Number of loops: 3

Average sequence ID (%) : 17.5 +/- 17.2
Average RMSD (Å) : 0.900 +/- 0.265

Consensus geometry
d (Å): 13 delta (°): 0-45 theta (°): 135-180 rho (°): 0-45
Consensus Sequence: XXhhXXhp
(φψ)-conformation: bblpabaa
Pattern: x[KLV][IKT]xx[GY][FIY][EPT]x[LV][DE][DEQ][AD][LV][AFW][ASV][V][ER][ST]
Conservation:-1.439-0.866-1.152-1.248-1.3430.1660.470-0.484-0.3890.7131.6900.757-0.2390.713-0.293-0.5801.9020.7970.825
Loops included in this Subclass
LoopPDBChainStartEndSequenceSec StructRamachandran
1lt8_A_1551lt8   A155173FLIAEYFEHVEEAVWAVETEEEE---S-HHHHHHHHHHbbbbblbabaaaaaaaaaa
1mdl_*_1621mdl   -163181VKTRIGYPALDQDLAVVRSEEEE---SSHHHHHHHHHHbbbxbgxabaaaaaaaaaa
1nsj_*_31nsj   -321RVKICGITNLEDALFSVESEEEE----SHHHHHHHHHHxbbbxvxabaaaaaaaaaa
PDB ligands within a cut-off distance of 6 Å in this subclass
LoopPDBChainLigandsResidue
1lt8_A_1551lt8   A     CBHS-(D-CARBOXYBUTYL)-L-HOMOCYSTEINE E - 159
1lt8_A_1551lt8   A     ZNZINC ION Y - 160
1lt8_A_1551lt8   A     CBHS-(D-CARBOXYBUTYL)-L-HOMOCYSTEINE Y - 160
1mdl_*_1621mdl   *     MGMAGNESIUM ION K - 164
1mdl_*_1621mdl   *     SMN(S)-MANDELIC ACID K - 164
1mdl_*_1621mdl   *     RMN(R)-MANDELIC ACID R - 166
1mdl_*_1621mdl   *     SMN(S)-MANDELIC ACID R - 166
PDB Site Annotated loops in this subclass
LoopPDBChainSiteResidue
1mdl_*_1621mdl   * CARSITE CAR CONSTITUTES THE BINDING SITE FOR THE CARBOXYL GROUP OF SUBSTRATE. THESE RESIDUES FUNCTION, ALONG WITH THE METAL ION, AS ELECTROPHILIC CATALYSTS.K - 164
1mdl_*_1621mdl   * ACTSITE ACT CONSTITUTES THE ACID/BASE CATALYSTS RESPONSIBLE FOR PROTON ABSTRACTION AND REDELIVERY IN THE RACEMIZATION REACTION.R - 166

Clusters included in this Subclass
CLUSTER: EH.4.171