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Table 4 Aromatic/Arginine signatures that are identical or similar in Arabidopsis, rice and maize

From: Homology modeling of major intrinsic proteins in rice, maize and Arabidopsis: comparative analysis of transmembrane helix association and aromatic/arginine selectivity filters

MIP Members H2 H5 LE1 LE2
PIP family     
All OsPIPs All ZmPIPs All AtPIPs F H T R
TIP family     
OsTIP1;1, OsTIP1;2 ZmTIP1;1, ZmTIP1;2 AtTIP1;1, AtTIP1;2, AtTIP1;3 H I A V
OsTIP2;1, OsTIP2;2, OsTIP2;3, OsTIP3;1, OsTIP3;2, OsTIP4;3 ZmTIP2;1, ZmTIP2;2, ZmTIP2;3, ZmTIP3;1, ZmTIP4;4 AtTIP2;1, AtTIP2;2, AtTIP2;3, AtTIP3;1, AtTIP3;2, AtTIP4;1 H I/M/V G/A/S R
AtTIP5;1a N V G C
NIP family     
OsNIP1;1, OsNIP1;2, OsNIP1;3, OsNIP1;4, OsNIP1;5 ZmNIP1;1 AtNIP1;1, AtNIP1;2, AtNIP2;1, AtNIP4;1, AtNIP4;2 W V A R
OsNIP3;1, OsNIP3;3 ZmNIP3;1 AtNIP5;1, AtNIP6;1, AtNIP7;1 A I/V A/G R
SIP family     
AtSIP1;1, AtSIP1;2a I/V F/V P I
  (T F/V/I P I)b
OsSIP2;1 ZmSIP2;1 AtSIP2;1 S H G A/S
  1. a These selectivity filters are found only in Arabidopsis
  2. bar/R selectivity filter reported by Wallace and Roberts [24].