PDB: 1a99 Compound: putrescine-binding protein Classification: BINDING PROTEIN Entry date in PDB: 1998-10-21 Resolution [Å]: 2.20 R-Factor: 0.185

CHAIN: A SWISS-PROT/TREMBL: P31133    KEYWORD: 3D-structure    Complete proteome    Periplasmic    Signal    Transport    SCOP: c.94.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like II    Periplasmic binding protein-like II    Phosphate binding protein-like    Putrescine receptor (PotF)    Escherichia coli GO:  periplasmic space (sensu Gram-negative Bacteria)    transporter activity    transport    CHAIN: B SWISS-PROT/TREMBL: P31133    KEYWORD: 3D-structure    Complete proteome    Periplasmic    Signal    Transport    SCOP: c.94.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like II    Periplasmic binding protein-like II    Phosphate binding protein-like    Putrescine receptor (PotF)    Escherichia coli GO:  periplasmic space (sensu Gram-negative Bacteria)    transporter activity    transport    CHAIN: C SWISS-PROT/TREMBL: P31133    KEYWORD: 3D-structure    Complete proteome    Periplasmic    Signal    Transport    SCOP: c.94.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like II    Periplasmic binding protein-like II    Phosphate binding protein-like    Putrescine receptor (PotF)    Escherichia coli GO:  periplasmic space (sensu Gram-negative Bacteria)    transporter activity    transport    CHAIN: D SWISS-PROT/TREMBL: P31133    KEYWORD: 3D-structure    Complete proteome    Periplasmic    Signal    Transport    SCOP: c.94.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like II    Periplasmic binding protein-like II    Phosphate binding protein-like    Putrescine receptor (PotF)    Escherichia coli GO:  periplasmic space (sensu Gram-negative Bacteria)    transporter activity    transport

Image Source: PDB

Loops in ArchDB40 clusters

1a99_A_339 - HE => SUBCLASS : 0.1.10
1a99_A_302 - HE => SUBCLASS : 1.1.1
1a99_A_302 - HE => SUBCLASS : 1.1.4
1a99_A_209 - HE => SUBCLASS : 2.3.2
1a99_A_229 - HE => SUBCLASS : 4.2.1
1a99_A_229 - HE => SUBCLASS : 4.2.3
1a99_A_56 - EH => SUBCLASS : 0.1.1
1a99_A_56 - EH => SUBCLASS : 2.1.1
1a99_A_81 - EH => SUBCLASS : 2.2.2
1a99_A_177 - EH => SUBCLASS : 3.7.1
1a99_A_161 - HH => SUBCLASS : 1.1.26
1a99_A_203 - HH => SUBCLASS : 1.10.1
1a99_A_183 - HH => SUBCLASS : 8.13.1

Loops in ArchDB95 clusters

1a99_A_240 - EH => SUBCLASS : 0.1.18
1a99_A_240 - EH => SUBCLASS : 0.1.20
1a99_A_56 - EH => SUBCLASS : 2.1.2
1a99_A_81 - EH => SUBCLASS : 2.2.3
1a99_A_177 - EH => SUBCLASS : 3.3.3
1a99_A_345 - EH => SUBCLASS : 3.7.6
1a99_A_161 - HH => SUBCLASS : 1.1.21
1a99_A_203 - HH => SUBCLASS : 1.7.1
1a99_A_183 - HH => SUBCLASS : 8.28.1
1a99_A_339 - HE => SUBCLASS : 0.1.18
1a99_A_302 - HE => SUBCLASS : 1.2.2
1a99_A_302 - HE => SUBCLASS : 1.2.3
1a99_A_302 - HE => SUBCLASS : 1.2.4
1a99_A_209 - HE => SUBCLASS : 2.2.7
1a99_A_229 - HE => SUBCLASS : 4.2.3
1a99_A_245 - HE => SUBCLASS : 4.40.1

Loops not clustered in ArchDB

1a99_A_264 - AR
1a99_A_31 - EH
1a99_A_130 - EH
1a99_A_223 - EH
1a99_A_273 - EH
1a99_A_315 - EH
1a99_A_166 - HE
1a99_A_114 - HE
1a99_A_65 - HE
1a99_A_45 - HE
1a99_A_86 - HH
1a99_A_144 - HH
1a99_A_289 - HH
1a99_A_327 - HH

1a99 A - percentage of sequence identity: 100
1a99 B - percentage of sequence identity: 100
1a99 C - percentage of sequence identity: 100
1a99 D - percentage of sequence identity: 100