PDB ID : 1hdr [A2]

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ARa IRb





 a AR:All Residues
 b IR:Interface Residues

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Secondary Structure


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Chain
Chain name Ribbon Spacefill Cαonly
OLIGAMI PDB
AA
BA
Title
THE CRYSTALLOGRAPHIC STRUCTURE OF A HUMAN DIHYDROPTERIDINE REDUCTASE NADH BINARY COMPLEX EXPRESSED IN ESCHERICHIA COLI BY A CDNA CONSTRUCTED FROM ITS RAT HOMOLOGUE

Structure Summary
PDB ID Mutant OPM Pub Med Method/Resolution HETNAM
1hdr
8262916 X-RAY DIFFRACTION/2.5 NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE
Chain Formula
Amino Acid sequence SCOPe Family Level CATH Homology Level
[A2] [A2] [A2]

Interfaces
Interface ID Chain Inaterface
Class		 Interface Type Contact Type
1hdr_AB A
B		 HN
HN		 i9_CR(H35,N17)_HH(P1,A1,S3)_HN(L3,S6)
i9_CR(H35,N17)_HH(P1,A1,S3)_HN(L3,S6) 		c2_RP(HH58,NN22,HN30,NH24)_HH(P1,A4,S4)_HN(L6,S6)
c2_RP(HH58,NN22,HN30,NH24)_HH(P1,A4,S4)_HN(L6,S6)

Interface Class
Interface ID Interface 1 Interface 2
Domain Number of contact residues Binding site Class Percentages of Secondary structures(%) Domain Number of contact residues Binding site Class Percentages of Secondary structures(%)
H E N H E N
1hdr_AB A 48 HN 54.2 100 45.8 B 48 HN 54.2 0 45.8

Interface Type: Information for each interface
Interface ID chain Number of contact residues Number of elements Number of contacts between Secondary structure elements
HH EE HE HN EN
Hn En Nn H E N R L P A S P A S Ph Ah Ih P A S L S L S
1hdr_AB A 26 48 22 4 0 6 0 0 1 0 2 0 0 0 0 0 0 0 0 0 3 8 0 0
1hdr_AB B 26 0 22 4 0 6 0 0 1 0 2 0 0 0 0 0 0 0 0 0 3 8 0 0

Contact Type: Information of contacts between interfaces
Interface ID Number of residue pairs between SS elements Number of contacts between Secondary structure elements
H-H E-E N-N H-E H-N N-E E-H N-H E-N H-H E-E H-E H-N E-N
P A S Ih P A S IPh IAh P A S Ih L S Ih L S Ih
1hdr_AB 51 0 31 0 19 0 0 19 0 0 5 2 0 0 0 0 0 0 0 0 0 0 4 8 0 0 0 0

Structual Classification
SCOPe
SCOPe ID Chain Class Fold Superfamily Family Protein Domain Species
29837 A:Alpha and beta proteins (a/b)NAD(P)-binding Rossmann-fold domainsNAD(P)-binding Rossmann-fold domainsTyrosine-dependent oxidoreductasesDihydropteridin reductase (pteridine reductase)Human (Homo sapiens) [TaxId: 9606]

CATH
CATH ID Node Class Architecture Topology Homology
1hdrA003.40.50.720:3-Layer(aba) Sandwich:Rossmann fold:NAD(P)-binding Rossmann-like Domain